Common Weakness Enumeration
CWE-772
AllowedMissing Release of Resource after Effective Lifetime
Abstraction: Base · Status: Draft
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
567 vulnerabilities reference this CWE, most recent first.
CVE-2023-47216 (GCVE-0-2023-47216)
Vulnerability from cvelistv5 – Published: 2024-01-02 07:23 – Updated: 2025-04-17 18:48
VLAI
EPSS
VEX
Title
Liteos-A has a missing release of resource vulnerability
Summary
in OpenHarmony v3.2.2 and prior versions allow a local attacker cause DOS through occupy all resources
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenHarmony | OpenHarmony |
Affected:
v3.2.0 , ≤ v3.2.2
(custom)
|
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CVE-2023-47124 (GCVE-0-2023-47124)
Vulnerability from cvelistv5 – Published: 2023-12-04 20:20 – Updated: 2024-12-18 14:12
VLAI
EPSS
VEX
Title
Denial of service whith ACME HTTPChallenge in Traefik
Summary
Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`.
Severity
5.9 (Medium)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/traefik/traefik/security/advis… | x_refsource_CONFIRM |
| https://doc.traefik.io/traefik/https/acme/#dnschallenge | x_refsource_MISC |
| https://doc.traefik.io/traefik/https/acme/#httpch… | x_refsource_MISC |
| https://doc.traefik.io/traefik/https/acme/#tlschallenge | x_refsource_MISC |
| https://github.com/traefik/traefik/releases/tag/v2.10.6 | x_refsource_MISC |
| https://github.com/traefik/traefik/releases/tag/v… | x_refsource_MISC |
| https://www.cloudflare.com/learning/ddos/ddos-att… | x_refsource_MISC |
| ttps://www.cloudflare.com/learning/ddos/ddos-atta… | x_refsource_MISCx_transferred |
Impacted products
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CVE-2023-45814 (GCVE-0-2023-45814)
Vulnerability from cvelistv5 – Published: 2023-10-18 21:22 – Updated: 2024-09-13 15:07
VLAI
EPSS
VEX
Title
Tokens cached in the AuthenticationService are susceptible to reuse in Bunkum
Summary
Bunkum is an open-source protocol-agnostic request server for custom game servers. First, a little bit of background. So, in the beginning, Bunkum's `AuthenticationService` only supported injecting `IUser`s. However, as Refresh and SoundShapesServer implemented permissions systems support for injecting `IToken`s into endpoints was added. All was well until 4.0. Bunkum 4.0 then changed to enforce relations between `IToken`s and `IUser`s. This wasn't implemented in a very good way in the `AuthenticationService`, and ended up breaking caching in such a way that cached tokens would persist after the lifetime of the request - since we tried to cache both tokens and users. From that point until now, from what I understand, Bunkum was attempting to use that cached token at the start of the next request once cached. Naturally, when that token expired, downstream projects like Refresh would remove the object from Realm - and cause the object in the cache to be in a detached state, causing an exception from invalid use of `IToken.User`. So in other words, a use-after-free since Realm can't manage the lifetime of the cached token. Security-wise, the scope is fairly limited, can only be pulled off on a couple endpoints given a few conditions, and you can't guarantee which token you're going to get. Also, the token *would* get invalidated properly if the endpoint had either a `IToken` usage or a `IUser` usage. The fix is to just wipe the token cache after the request was handled, which is now in `4.2.1`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/LittleBigRefresh/Bunkum/securi… | x_refsource_CONFIRM |
| https://github.com/LittleBigRefresh/Bunkum/commit… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| LittleBigRefresh | Bunkum |
Affected:
>= 4.0.0, < 4.2.1
|
|
| littlebigrefresh | bunkum |
Affected:
4.0.0 , < 4.2.1
(custom)
cpe:2.3:a:littlebigrefresh:bunkum:*:*:*:*:*:*:*:* |
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CVE-2023-36533 (GCVE-0-2023-36533)
Vulnerability from cvelistv5 – Published: 2023-08-08 17:33 – Updated: 2024-10-04 15:05
VLAI
EPSS
VEX
Summary
Uncontrolled resource consumption in Zoom SDKs before 5.14.7 may allow an unauthenticated user to enable a denial of service via network access.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zoom Video Communications, Inc. | Zoom SDK's |
Affected:
before 5.14.7
|
Date Public
2023-08-08 15:00
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CVE-2023-32255 (GCVE-0-2023-32255)
Vulnerability from cvelistv5 – Published: 2025-08-02 22:25 – Updated: 2026-06-29 23:10
VLAI
EPSS
VEX
Title
Kernel: memory leak via ksmbd session setup request with unknown ntlmssp message type
Summary
A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-32255 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2385884 | issue-trackingx_refsource_REDHAT |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | |
| https://www.zerodayinitiative.com/advisories/ZDI-… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 5.15.111
(semvar)
Affected: 6.0.0 , < 6.0.* (semvar) Affected: 6.1.0 , < 6.1.28 (semvar) Affected: 6.2.0 , < 6.2.15 (semvar) Affected: 6.3.0 , < 6.3.2 (semvar) |
|||
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2023-05-17 00:00
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CVE-2023-31274 (GCVE-0-2023-31274)
Vulnerability from cvelistv5 – Published: 2024-01-18 17:15 – Updated: 2024-08-29 20:02
VLAI
EPSS
VEX
Title
Missing Release of Resource after Effective Lifetime vulnerability in Aveva PI Server
Summary
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Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
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CVE-2023-22302 (GCVE-0-2023-22302)
Vulnerability from cvelistv5 – Published: 2023-02-01 17:53 – Updated: 2025-03-26 15:58
VLAI
EPSS
VEX
Title
BIG-IP HTTP profile vulnerability
Summary
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Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
Date Public
2023-02-01 15:00
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"value": "In BIG-IP versions 17.0.x before 17.0.0.2, and 16.1.x beginning in 16.1.2.2 to before 16.1.3.3, when an HTTP profile is configured on a virtual server and conditions beyond the attacker\u2019s control exist on the target pool member, undisclosed requests sent to the BIG-IP system can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.\n"
}
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"description": "CWE-772 Missing Release of Resource after Effective Lifetime",
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"type": "CWE"
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"providerMetadata": {
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"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"shortName": "f5"
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"references": [
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"url": "https://my.f5.com/manage/s/article/K58550078"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "BIG-IP HTTP profile vulnerability",
"x_generator": {
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}
},
"cveMetadata": {
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"cveId": "CVE-2023-22302",
"datePublished": "2023-02-01T17:53:19.320Z",
"dateReserved": "2023-01-13T06:43:46.174Z",
"dateUpdated": "2025-03-26T15:58:24.750Z",
"state": "PUBLISHED"
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}
CVE-2023-20095 (GCVE-0-2023-20095)
Vulnerability from cvelistv5 – Published: 2023-11-01 17:14 – Updated: 2024-08-02 08:57
VLAI
EPSS
VEX
Summary
A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of HTTPS requests. An attacker could exploit this vulnerability by sending crafted HTTPS requests to an affected system. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a DoS condition.
Severity
8.6 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
9.8.1
Affected: 9.8.1.5 Affected: 9.8.1.7 Affected: 9.8.2 Affected: 9.8.2.8 Affected: 9.8.2.14 Affected: 9.8.2.15 Affected: 9.8.2.17 Affected: 9.8.2.20 Affected: 9.8.2.24 Affected: 9.8.2.26 Affected: 9.8.2.28 Affected: 9.8.2.33 Affected: 9.8.2.35 Affected: 9.8.2.38 Affected: 9.8.3.8 Affected: 9.8.3.11 Affected: 9.8.3.14 Affected: 9.8.3.16 Affected: 9.8.3.18 Affected: 9.8.3.21 Affected: 9.8.3 Affected: 9.8.3.26 Affected: 9.8.3.29 Affected: 9.8.4 Affected: 9.8.4.3 Affected: 9.8.4.7 Affected: 9.8.4.8 Affected: 9.8.4.10 Affected: 9.8.4.12 Affected: 9.8.4.15 Affected: 9.8.4.17 Affected: 9.8.4.25 Affected: 9.8.4.20 Affected: 9.8.4.22 Affected: 9.8.4.26 Affected: 9.8.4.29 Affected: 9.8.4.32 Affected: 9.8.4.33 Affected: 9.8.4.34 Affected: 9.8.4.35 Affected: 9.8.4.39 Affected: 9.8.4.40 Affected: 9.8.4.41 Affected: 9.8.4.43 Affected: 9.8.4.44 Affected: 9.8.4.45 Affected: 9.12.1 Affected: 9.12.1.2 Affected: 9.12.1.3 Affected: 9.12.2 Affected: 9.12.2.4 Affected: 9.12.2.5 Affected: 9.12.2.9 Affected: 9.12.3 Affected: 9.12.3.2 Affected: 9.12.3.7 Affected: 9.12.4 Affected: 9.12.3.12 Affected: 9.12.3.9 Affected: 9.12.2.1 Affected: 9.12.4.2 Affected: 9.12.4.4 Affected: 9.12.4.7 Affected: 9.12.4.10 Affected: 9.12.4.13 Affected: 9.12.4.8 Affected: 9.12.4.18 Affected: 9.12.4.24 Affected: 9.12.4.26 Affected: 9.12.4.29 Affected: 9.12.4.30 Affected: 9.12.4.35 Affected: 9.12.4.37 Affected: 9.12.4.38 Affected: 9.12.4.39 Affected: 9.12.4.40 Affected: 9.12.4.41 Affected: 9.14.1 Affected: 9.14.1.10 Affected: 9.14.1.6 Affected: 9.14.1.15 Affected: 9.14.1.19 Affected: 9.14.1.30 Affected: 9.14.2 Affected: 9.14.2.4 Affected: 9.14.2.8 Affected: 9.14.2.13 Affected: 9.14.2.15 Affected: 9.14.3 Affected: 9.14.3.1 Affected: 9.14.3.9 Affected: 9.14.3.11 Affected: 9.14.3.13 Affected: 9.14.3.18 Affected: 9.14.3.15 Affected: 9.14.4 Affected: 9.14.4.6 Affected: 9.14.4.7 Affected: 9.15.1 Affected: 9.15.1.7 Affected: 9.15.1.10 Affected: 9.15.1.15 Affected: 9.15.1.16 Affected: 9.15.1.17 Affected: 9.15.1.1 Affected: 9.15.1.21 Affected: 9.16.1 Affected: 9.16.1.28 Affected: 9.16.2 Affected: 9.16.2.3 Affected: 9.16.2.7 Affected: 9.16.2.11 Affected: 9.16.2.13 Affected: 9.16.2.14 Affected: 9.16.3 Affected: 9.16.3.3 Affected: 9.16.3.14 Affected: 9.17.1 Affected: 9.17.1.7 Affected: 9.17.1.9 Affected: 9.18.1 |
|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
6.2.3
Affected: 6.2.3.1 Affected: 6.2.3.2 Affected: 6.2.3.3 Affected: 6.2.3.4 Affected: 6.2.3.5 Affected: 6.2.3.6 Affected: 6.2.3.7 Affected: 6.2.3.8 Affected: 6.2.3.10 Affected: 6.2.3.11 Affected: 6.2.3.9 Affected: 6.2.3.12 Affected: 6.2.3.13 Affected: 6.2.3.14 Affected: 6.2.3.15 Affected: 6.2.3.16 Affected: 6.2.3.17 Affected: 6.2.3.18 Affected: 6.6.0 Affected: 6.6.0.1 Affected: 6.6.1 Affected: 6.6.3 Affected: 6.6.4 Affected: 6.6.5 Affected: 6.6.5.1 Affected: 6.6.5.2 Affected: 6.4.0 Affected: 6.4.0.1 Affected: 6.4.0.3 Affected: 6.4.0.2 Affected: 6.4.0.4 Affected: 6.4.0.5 Affected: 6.4.0.6 Affected: 6.4.0.7 Affected: 6.4.0.8 Affected: 6.4.0.9 Affected: 6.4.0.10 Affected: 6.4.0.11 Affected: 6.4.0.12 Affected: 6.4.0.13 Affected: 6.4.0.14 Affected: 6.4.0.15 Affected: 6.7.0 Affected: 6.7.0.1 Affected: 6.7.0.2 Affected: 6.7.0.3 Affected: 7.0.0 Affected: 7.0.0.1 Affected: 7.0.1 Affected: 7.0.1.1 Affected: 7.0.2 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 7.1.0 Affected: 7.1.0.1 Affected: 7.1.0.2 Affected: 7.2.0 Affected: 7.2.0.1 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T08:57:36.059Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "cisco-sa-asa-webvpn-dos-3GhZQBAS",
"tags": [
"x_transferred"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-dos-3GhZQBAS"
}
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"title": "CVE Program Container"
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"vendor": "Cisco",
"versions": [
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{
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{
"status": "affected",
"version": "9.8.1.7"
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{
"status": "affected",
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{
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{
"status": "affected",
"version": "9.8.2.14"
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{
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"version": "9.8.2.15"
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{
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{
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"version": "9.8.2.20"
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{
"status": "affected",
"version": "9.8.2.24"
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{
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{
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{
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"version": "9.8.2.35"
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{
"status": "affected",
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{
"status": "affected",
"version": "9.8.3.8"
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{
"status": "affected",
"version": "9.8.3.11"
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{
"status": "affected",
"version": "9.8.3.14"
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{
"status": "affected",
"version": "9.8.3.16"
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{
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{
"status": "affected",
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{
"status": "affected",
"version": "9.8.3"
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{
"status": "affected",
"version": "9.8.3.26"
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{
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{
"status": "affected",
"version": "9.8.4"
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{
"status": "affected",
"version": "9.8.4.3"
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{
"status": "affected",
"version": "9.8.4.7"
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{
"status": "affected",
"version": "9.8.4.8"
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{
"status": "affected",
"version": "9.8.4.10"
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{
"status": "affected",
"version": "9.8.4.12"
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{
"status": "affected",
"version": "9.8.4.15"
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{
"status": "affected",
"version": "9.8.4.17"
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{
"status": "affected",
"version": "9.8.4.25"
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{
"status": "affected",
"version": "9.8.4.20"
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{
"status": "affected",
"version": "9.8.4.22"
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{
"status": "affected",
"version": "9.8.4.26"
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{
"status": "affected",
"version": "9.8.4.29"
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{
"status": "affected",
"version": "9.8.4.32"
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{
"status": "affected",
"version": "9.8.4.33"
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{
"status": "affected",
"version": "9.8.4.34"
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{
"status": "affected",
"version": "9.8.4.35"
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{
"status": "affected",
"version": "9.8.4.39"
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{
"status": "affected",
"version": "9.8.4.40"
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{
"status": "affected",
"version": "9.8.4.41"
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{
"status": "affected",
"version": "9.8.4.43"
},
{
"status": "affected",
"version": "9.8.4.44"
},
{
"status": "affected",
"version": "9.8.4.45"
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{
"status": "affected",
"version": "9.12.1"
},
{
"status": "affected",
"version": "9.12.1.2"
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{
"status": "affected",
"version": "9.12.1.3"
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{
"status": "affected",
"version": "9.12.2"
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{
"status": "affected",
"version": "9.12.2.4"
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{
"status": "affected",
"version": "9.12.2.5"
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{
"status": "affected",
"version": "9.12.2.9"
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{
"status": "affected",
"version": "9.12.3"
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{
"status": "affected",
"version": "9.12.3.2"
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{
"status": "affected",
"version": "9.12.3.7"
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{
"status": "affected",
"version": "9.12.4"
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{
"status": "affected",
"version": "9.12.3.12"
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{
"status": "affected",
"version": "9.12.3.9"
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{
"status": "affected",
"version": "9.12.2.1"
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{
"status": "affected",
"version": "9.12.4.2"
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{
"status": "affected",
"version": "9.12.4.4"
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{
"status": "affected",
"version": "9.12.4.7"
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{
"status": "affected",
"version": "9.12.4.10"
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{
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"version": "9.12.4.13"
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{
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{
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{
"status": "affected",
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{
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"version": "9.12.4.35"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
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{
"status": "affected",
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{
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{
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{
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{
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
"status": "affected",
"version": "6.7.0.3"
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{
"status": "affected",
"version": "7.0.0"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "7.0.1"
},
{
"status": "affected",
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{
"status": "affected",
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{
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"version": "7.0.2.1"
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{
"status": "affected",
"version": "7.0.3"
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{
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"version": "7.1.0"
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{
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"version": "7.1.0.1"
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{
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"version": "7.2.0"
},
{
"status": "affected",
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}
],
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CVE-2023-1150 (GCVE-0-2023-1150)
Vulnerability from cvelistv5 – Published: 2023-06-26 06:19 – Updated: 2024-12-05 19:07
VLAI
EPSS
VEX
Title
WAGO: Series 750-3x/-8x prone to MODBUS server DoS
Summary
Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated remote attacker to DoS the MODBUS server with specially crafted packets.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
11 products
| Vendor | Product | Version | |
|---|---|---|---|
| WAGO | 750-332 |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-362/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-363/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-364/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-365/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-823 |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-832/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-862 |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-890/xxx-xxx |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-891 |
Affected:
0 , ≤ FW10
(semver)
|
|
| WAGO | 750-893 |
Affected:
0 , ≤ FW10
(semver)
|
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CVE-2022-29884 (GCVE-0-2022-29884)
Vulnerability from cvelistv5 – Published: 2022-07-12 10:06 – Updated: 2024-08-03 06:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < CPC80 V16.30), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < CPC80 V16.30), CP-8021 MASTER MODULE (All versions < CPC80 V16.30), CP-8022 MASTER MODULE WITH GPRS (All versions < CPC80 V16.30). When using the HTTPS server under specific conditions, affected devices do not properly free resources. This could allow an unauthenticated remote attacker to put the device into a denial of service condition.
Severity
No CVSS data available.
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | CP-8000 MASTER MODULE WITH I/O -25/+70°C |
Affected:
All versions < CPC80 V16.30
|
|
| Siemens | CP-8000 MASTER MODULE WITH I/O -40/+70°C |
Affected:
All versions < CPC80 V16.30
|
|
| Siemens | CP-8021 MASTER MODULE |
Affected:
All versions < CPC80 V16.30
|
|
| Siemens | CP-8022 MASTER MODULE WITH GPRS |
Affected:
All versions < CPC80 V16.30
|
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Mitigation
Implementation
It is good practice to be responsible for freeing all resources you allocate and to be consistent with how and where you free resources in a function. If you allocate resources that you intend to free upon completion of the function, you must be sure to free the resources at all exit points for that function including error conditions.
Mitigation MIT-47
Operation
Architecture and Design
Strategy: Resource Limitation
- Use resource-limiting settings provided by the operating system or environment. For example, when managing system resources in POSIX, setrlimit() can be used to set limits for certain types of resources, and getrlimit() can determine how many resources are available. However, these functions are not available on all operating systems.
- When the current levels get close to the maximum that is defined for the application (see CWE-770), then limit the allocation of further resources to privileged users; alternately, begin releasing resources for less-privileged users. While this mitigation may protect the system from attack, it will not necessarily stop attackers from adversely impacting other users.
- Ensure that the application performs the appropriate error checks and error handling in case resources become unavailable (CWE-703).
CAPEC-469: HTTP DoS
An attacker performs flooding at the HTTP level to bring down only a particular web application rather than anything listening on a TCP/IP connection. This denial of service attack requires substantially fewer packets to be sent which makes DoS harder to detect. This is an equivalent of SYN flood in HTTP. The idea is to keep the HTTP session alive indefinitely and then repeat that hundreds of times. This attack targets resource depletion weaknesses in web server software. The web server will wait to attacker's responses on the initiated HTTP sessions while the connection threads are being exhausted.