Common Weakness Enumeration
CWE-330
DiscouragedUse of Insufficiently Random Values
Abstraction: Class · Status: Stable
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
445 vulnerabilities reference this CWE, most recent first.
CVE-2022-1615 (GCVE-0-2022-1615)
Vulnerability from cvelistv5 – Published: 2022-09-01 00:00 – Updated: 2024-08-03 00:10
VLAI
EPSS
VEX
Summary
In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values.
Severity
No CVSS data available.
CWE
Assigner
References
4 references
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CVE-2021-37186 (GCVE-0-2021-37186)
Vulnerability from cvelistv5 – Published: 2021-09-14 10:47 – Updated: 2024-08-04 01:16
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU3010C (All versions < V4.0.9), SIMATIC RTU3030C (All versions < V4.0.9), SIMATIC RTU3031C (All versions < V4.0.9), SIMATIC RTU3041C (All versions < V4.0.9). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information.
Severity
No CVSS data available.
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | LOGO! CMR2020 |
Affected:
All versions < V2.2
|
|
| Siemens | LOGO! CMR2040 |
Affected:
All versions < V2.2
|
|
| Siemens | SIMATIC RTU3010C |
Affected:
All versions < V4.0.9
|
|
| Siemens | SIMATIC RTU3030C |
Affected:
All versions < V4.0.9
|
|
| Siemens | SIMATIC RTU3031C |
Affected:
All versions < V4.0.9
|
|
| Siemens | SIMATIC RTU3041C |
Affected:
All versions < V4.0.9
|
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CVE-2021-32791 (GCVE-0-2021-32791)
Vulnerability from cvelistv5 – Published: 2021-07-26 00:00 – Updated: 2024-08-03 23:33
VLAI
EPSS
VEX
Title
Hardcoded static IV and AAD with a reused key in AES GCM encryption in mod_auth_openidc
Summary
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, the AES GCM encryption in mod_auth_openidc uses a static IV and AAD. It is important to fix because this creates a static nonce and since aes-gcm is a stream cipher, this can lead to known cryptographic issues, since the same key is being reused. From 2.4.9 onwards this has been patched to use dynamic values through usage of cjose AES encryption routines.
Severity
5.9 (Medium)
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zmartzone | mod_auth_openidc |
Affected:
< 2.4.9
|
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CVE-2021-29499 (GCVE-0-2021-29499)
Vulnerability from cvelistv5 – Published: 2021-05-07 20:50 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
Predictable SIF UUID Identifiers
Summary
SIF is an open source implementation of the Singularity Container Image Format. The `siftool new` command and func siftool.New() produce predictable UUID identifiers due to insecure randomness in the version of the `github.com/satori/go.uuid` module used as a dependency. A patch is available in version >= v1.2.3 of the module. Users are encouraged to upgrade. As a workaround, users passing CreateInfo struct should ensure the `ID` field is generated using a version of `github.com/satori/go.uuid` that is not vulnerable to this issue.
Severity
7.5 (High)
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sylabs/sif/security/advisories… | x_refsource_CONFIRM |
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}
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CVE-2021-27393 (GCVE-0-2021-27393)
Vulnerability from cvelistv5 – Published: 2021-04-22 20:42 – Updated: 2024-08-03 20:48
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2013.08), Nucleus Source Code (Versions including affected DNS modules). The DNS client does not properly randomize UDP port numbers of DNS requests. That could allow an attacker to poison the DNS cache or spoof DNS resolving.
Severity
No CVSS data available.
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Nucleus NET |
Affected:
All versions
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
All versions < V2013.08
|
|
| Siemens | Nucleus Source Code |
Affected:
Versions including affected DNS modules
|
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CVE-2021-25677 (GCVE-0-2021-25677)
Vulnerability from cvelistv5 – Published: 2021-04-22 20:42 – Updated: 2024-08-03 20:11
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions >= V0.5.0.0 < V1.0.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the DNS cache or spoof DNS resolving.
Severity
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
13 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | APOGEE PXC Compact (BACnet) |
Affected:
All versions < V3.5.5
|
|
| Siemens | APOGEE PXC Compact (P2 Ethernet) |
Affected:
All versions < V2.8.20
|
|
| Siemens | APOGEE PXC Modular (BACnet) |
Affected:
All versions < V3.5.5
|
|
| Siemens | APOGEE PXC Modular (P2 Ethernet) |
Affected:
All versions < V2.8.20
|
|
| Siemens | Nucleus NET |
Affected:
All versions
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
All versions < V2017.02.3
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
All versions < V2017.02.4
|
|
| Siemens | Nucleus ReadyStart V4 |
Affected:
All versions < V4.1.0
|
|
| Siemens | Nucleus Source Code |
Affected:
Versions including affected DNS modules
|
|
| Siemens | SIMOTICS CONNECT 400 |
Affected:
All versions < V0.5.0.0
|
|
| Siemens | SIMOTICS CONNECT 400 |
Affected:
All versions >= V0.5.0.0 < V1.0.0.0
|
|
| Siemens | TALON TC Compact (BACnet) |
Affected:
All versions < V3.5.5
|
|
| Siemens | TALON TC Modular (BACnet) |
Affected:
All versions < V3.5.5
|
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CVE-2021-23020 (GCVE-0-2021-23020)
Vulnerability from cvelistv5 – Published: 2021-06-01 12:14 – Updated: 2024-08-03 18:58
VLAI
EPSS
VEX
Summary
The NAAS 3.x before 3.10.0 API keys were generated using an insecure pseudo-random string and hashing algorithm which could lead to predictable keys.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K45263486 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Nginx Controller |
Affected:
“3.x before 3.10.0”
|
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CVE-2021-21352 (GCVE-0-2021-21352)
Vulnerability from cvelistv5 – Published: 2021-03-03 00:20 – Updated: 2024-08-03 18:09
VLAI
EPSS
VEX
Title
Predictable tokens used for password resets
Summary
Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In TimeTracker before version 1.19.24.5415 tokens used in password reset feature in Time Tracker are based on system time and, therefore, are predictable. This opens a window for brute force attacks to guess user tokens and, once successful, change user passwords, including that of a system administrator. This vulnerability is pathced in version 1.19.24.5415 (started to use more secure tokens) with an additional improvement in 1.19.24.5416 (limited an available window for brute force token guessing).
Severity
6.8 (Medium)
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.anuko.com/time-tracker/index.htm | x_refsource_MISC |
| https://github.com/anuko/timetracker/security/adv… | x_refsource_CONFIRM |
| https://github.com/anuko/timetracker/commit/40f3d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| anuko | timetracker |
Affected:
< 1.19.24.5415
|
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CVE-2021-20322 (GCVE-0-2021-20322)
Vulnerability from cvelistv5 – Published: 2022-02-18 17:50 – Updated: 2024-08-03 17:37
VLAI
EPSS
VEX
Summary
A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well.
Severity
No CVSS data available.
CWE
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2014230 | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
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CVE-2021-4248 (GCVE-0-2021-4248)
Vulnerability from cvelistv5 – Published: 2022-12-18 00:00 – Updated: 2025-04-15 13:00
VLAI
EPSS
VEX
Title
kapetan dns Request.cs entropy
Summary
A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0 is able to address this issue. The name of the patch is cf7105aa2aae90d6656088fe5a8ee1d5730773b6. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216188.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-330 - Insufficiently Random Values -> CWE-331 Insufficient Entropy -> CWE-332 Insufficient Entropy in PRNG
Assigner
References
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Mitigation
Architecture and Design
- Use a well-vetted algorithm that is currently considered to be strong by experts in the field, and select well-tested implementations with adequate length seeds.
- In general, if a pseudo-random number generator is not advertised as being cryptographically secure, then it is probably a statistical PRNG and should not be used in security-sensitive contexts.
- Pseudo-random number generators can produce predictable numbers if the generator is known and the seed can be guessed. A 256-bit seed is a good starting point for producing a "random enough" number.
Mitigation
Implementation
Consider a PRNG that re-seeds itself as needed from high quality pseudo-random output sources, such as hardware devices.
Mitigation MIT-2
Architecture and Design
Requirements
Strategy: Libraries or Frameworks
Use products or modules that conform to FIPS 140-2 [REF-267] to avoid obvious entropy problems. Consult FIPS 140-2 Annex C ("Approved Random Number Generators").
CAPEC-112: Brute Force
In this attack, some asset (information, functionality, identity, etc.) is protected by a finite secret value. The attacker attempts to gain access to this asset by using trial-and-error to exhaustively explore all the possible secret values in the hope of finding the secret (or a value that is functionally equivalent) that will unlock the asset.
CAPEC-485: Signature Spoofing by Key Recreation
An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.