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Common Weakness Enumeration

CWE-319

Allowed

Cleartext Transmission of Sensitive Information

Abstraction: Base · Status: Draft

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

1217 vulnerabilities reference this CWE, most recent first.

CVE-2026-33569 (GCVE-0-2026-33569)

Vulnerability from cvelistv5 – Published: 2026-04-17 19:30 – Updated: 2026-04-17 20:32
VLAI
Title
Anviz Products Cleartext Transmission of Sensitive Information
Summary
Anviz CX2 Lite and CX7 administrative sessions occur over HTTP, enabling on‑path attackers to sniff credentials and session data, which can be used to compromise the device.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-17 20:32 UTC
CWE
Impacted products
Show details on NVD website

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CVE-2026-33472 (GCVE-0-2026-33472)

Vulnerability from cvelistv5 – Published: 2026-04-16 21:12 – Updated: 2026-04-20 15:00
VLAI
Title
Cryptomator Hub OAuth token exchange HTTP downgrade via getAuthority() scheme confusion (CVE-2026-32303 bypass)
Summary
Cryptomator is an open-source client-side encryption application for cloud storage. Version 1.19.1 contains a logic flaw in CheckHostTrustController.getAuthority() that allows an attacker to bypass the security fix for CVE-2026-32303. The method hardcodes the URI scheme based on port number, causing HTTPS URLs with port 80 to produce the same authority string as HTTP URLs, which defeats both the consistency check and the HTTP block validation. An attacker with write access to a cloud-synced vault.cryptomator file can craft a Hub configuration where apiBaseUrl and authEndpoint use HTTPS with port 80 to pass auto-trust validation, while tokenEndpoint uses plaintext HTTP. The vault is auto-trusted without user prompt, and a network-positioned attacker can intercept the OAuth token exchange to access the Cryptomator Hub API as the victim. This issue has been fixed in version 1.19.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-17 14:50 UTC
CWE
  • CWE-305 - Authentication Bypass by Primary Weakness
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
cryptomator cryptomator Affected: >= 1.19.1, < 1.19.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-32838 (GCVE-0-2026-32838)

Vulnerability from cvelistv5 – Published: 2026-03-17 21:42 – Updated: 2026-08-14 16:49 Unsupported When Assigned
VLAI
Title
Edimax GS-5008PL <= 1.00.54 Transmits Credentials Over Cleartext HTTP
Summary
Edimax GS-5008PL firmware version 1.00.54 and prior use cleartext HTTP for the web management interface without implementing TLS or SSL encryption. Attackers on the same network can intercept management traffic to capture administrator credentials and sensitive configuration data.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-18 20:01 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
EDIMAX Technology Co., Ltd. Edimax GS-5008PL Affected: 0 , ≤ 1.0.54 (semver)
    cpe:2.3:h:edimax:gs-5008pl:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-18 00:00
Show details on NVD website

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CVE-2026-32309 (GCVE-0-2026-32309)

Vulnerability from cvelistv5 – Published: 2026-03-20 18:19 – Updated: 2026-03-27 15:24
VLAI
Title
Cryptomator: Hub unlocking accepts plaintext HTTP and unvalidated endpoint schemes
Summary
Cryptomator encrypts data being stored on cloud infrastructure. Prior to version 1.19.1, the Hub-based unlock flow explicitly supports hub+http and consumes Hub endpoints from vault metadata without enforcing HTTPS. As a result, a vault configuration can drive OAuth and key-loading traffic over plaintext HTTP or other insecure endpoint combinations. An active network attacker can tamper with or observe this traffic. Even when the vault key is encrypted for the device, bearer tokens and endpoint-level trust decisions are still exposed to downgrade and interception. This issue has been patched in version 1.19.1.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 15:18 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
References
Impacted products
Vendor Product Version
cryptomator cryptomator Affected: < 1.19.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-31924 (GCVE-0-2026-31924)

Vulnerability from cvelistv5 – Published: 2026-04-14 08:08 – Updated: 2026-04-14 19:51
VLAI
Title
Apache APISIX: Plugin tencent-cloud-cls log export uses plaintext HTTP
Summary
Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX. tencent-cloud-cls log export uses plaintext HTTP This issue affects Apache APISIX: from 2.99.0 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 19:51 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
Apache Software Foundation Apache APISIX Affected: 2.99.0 , ≤ 3.15.0 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-31923 (GCVE-0-2026-31923)

Vulnerability from cvelistv5 – Published: 2026-04-14 08:38 – Updated: 2026-04-14 18:16
VLAI
Title
Apache APISIX: Openid-connect `tls_verify` field is disabled by default
Summary
Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX. This can occur due to `ssl_verify` in openid-connect plugin configuration being set to false by default. This issue affects Apache APISIX: from 0.7 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 18:14 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
Apache Software Foundation Apache APISIX Affected: 0.7 , ≤ 3.15.0 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-31278 (GCVE-0-2026-31278)

Vulnerability from cvelistv5 – Published: 2026-09-14 00:00 – Updated: 2026-09-14 01:30
VLAI
Summary
An issue in the /api/v2/setting/adserversetting endpoint of Suprema BioStar 2 before 2.9.12 and and BioStar X before 1.0.2 allows attackers to obtain Active Directory service account credentials in cleartext by supplying a crafted GET request.
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
supremainc BioStar 2 Affected: 0 , < 2.9.12 (semver)
    cpe:2.3:a:supremainc:biostar_2:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-30795 (GCVE-0-2026-30795)

Vulnerability from cvelistv5 – Published: 2026-03-05 15:27 – Updated: 2026-03-17 14:31
VLAI
Title
RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
Summary
Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password). This issue affects RustDesk Client: through 1.4.5.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-17 14:31 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
References
URL Tags
https://github.com/rustdesk/rustdesk product
https://docs.google.com/document/d/e/2PACX-1vSds6… third-party-advisoryexploit
https://www.vulsec.org/ vdb-entrythird-party-advisory
Impacted products
Vendor Product Version
rustdesk-client RustDesk Client Affected: 0 , ≤ 1.4.5 (custom)
    cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*
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    cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-05 13:45
Show details on NVD website

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CVE-2026-29988 (GCVE-0-2026-29988)

Vulnerability from cvelistv5 – Published: 2026-08-26 03:14 – Updated: 2026-08-26 15:29
VLAI
Summary
A cleartext transmission of sensitive information vulnerability in the NFC interface of multiple Milesight IoT device models running affected firmware versions allows an unauthenticated attacker with physical proximity to retrieve LoRaWAN ABP NwkSKey and AppSKey values and D2D keys via an NFC read operation. The exposed keys can be used to decrypt LoRaWAN traffic, forge uplink and downlink frames, submit falsified sensor data, issue supported device commands, and cause subsequent legitimate frames to be rejected.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:25 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
References
URL Tags
https://www.milesight.com/legal/vulnerabilities-i… vendor-advisorymitigation
Impacted products
Vendor Product Version
Milesight AM102/102L V2 Affected: 0 , ≤ 1.4 (custom)
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Milesight AM103/103L V2 Affected: 0 , ≤ 1.8 (custom)
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Milesight AM304L Affected: 0 , ≤ 1.2 (custom)
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Milesight AM305L Affected: 0 , ≤ 1.2 (custom)
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Milesight AM307 V2 Affected: 0 , ≤ 1.4 (custom)
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Milesight AM308 Affected: 0 , ≤ 1.7 (custom)
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Milesight AM308L Affected: 0 , ≤ 1.7 (custom)
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Milesight AM319 Affected: 0 , ≤ 1.6 (custom)
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Milesight WS101 Affected: 0 , ≤ 1.5 (custom)
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Milesight WS136 Affected: 0 , ≤ 1.6 (custom)
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Milesight WS156 Affected: 0 , ≤ 1.6 (custom)
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Milesight WS201 Affected: 0 , ≤ 1.2 (custom)
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Milesight WS202 Affected: 0 , ≤ 1.8 (custom)
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Milesight WS203 Affected: 0 , ≤ 1.3 (custom)
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Milesight WS301 Affected: 0 , ≤ 1.15 (custom)
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Milesight WS303 Affected: 0 , ≤ 1.5 (custom)
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Milesight WS50X (2W-W11-EU) [501/502/503] Affected: 0 , ≤ 1.3 (custom)
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Milesight WS50X (3W-W11-EU) [501/502/503] Affected: 0 , ≤ 1.2 (custom)
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Milesight WS50X (3W-W12-EU) [501/502/503] Affected: 0 , ≤ 1.2 (custom)
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Milesight WS51X [513/515] Affected: 0 , ≤ 1.9 (custom)
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Milesight WS52X [523/525] Affected: 0 , ≤ 1.12 (custom)
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Milesight WS558 Affected: 0 , ≤ 1.1 (custom)
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Milesight VS321 Affected: 0 , ≤ 321.1.0.1-r5 (custom)
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Milesight VS360 Affected: 0 , ≤ 1.2-r1 (custom)
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Milesight VS350 V3 Affected: 0 , ≤ 1.1 (custom)
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Milesight VS351 Affected: 0 , ≤ 1.5 (custom)
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Milesight VS330 Affected: 0 , ≤ 1.3 (custom)
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Milesight VS340 Affected: 0 , ≤ 1.1 (custom)
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Milesight VS341 Affected: 0 , ≤ 1.1 (custom)
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Milesight VS370 Affected: 0 , ≤ 1.1 (custom)
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Milesight GS301 Affected: 0 , ≤ 1.2 (custom)
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Milesight EM300-TH V3 Affected: 0 , ≤ 1.10 (custom)
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Milesight EM320-TH Affected: 0 , ≤ 1.6 (custom)
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Milesight TS201 V2 Affected: 0 , ≤ 1.1 (custom)
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Milesight TS30x V2 Affected: 0 , ≤ 1.1 (custom)
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Milesight WT201 V2 Affected: 0 , ≤ 1.5 (custom)
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Milesight WT211 V2 Affected: 0 , ≤ 1.5 (custom)
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Milesight UC501 Affected: 0 , ≤ 1.6 (custom)
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Milesight UC502 Affected: 0 , ≤ 1.6 (custom)
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Milesight UC511 V4 Affected: 0 , ≤ 1.6 (custom)
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Milesight UC512 V4 Affected: 0 , ≤ 1.6 (custom)
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Milesight UC521 LoRaWAN® Affected: 0 , ≤ 1.2 (custom)
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Milesight UC521 Cellular Affected: 0 , ≤ 1.3 (custom)
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Milesight EM300-DI Affected: 0 , ≤ 1.3 (custom)
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Milesight EM300-MCS V3 Affected: 0 , ≤ 1.10 (custom)
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Milesight EM300-MLD V3 Affected: 0 , ≤ 1.10 (custom)
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Milesight EM300-SLD V3 Affected: 0 , ≤ 1.10 (custom)
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Milesight EM300-ZLD V3 Affected: 0 , ≤ 1.10 (custom)
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Milesight EM320-TILT Affected: 0 , ≤ 1.3 (custom)
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Milesight EM400-TLD LoRaWAN® Affected: 0 , ≤ 1.2 (custom)
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Milesight EM400-TLD NB-IoT Affected: 0 , ≤ 1.5 (custom)
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Milesight EM400-MUD LoRaWAN® Affected: 0 , ≤ 1.2 (custom)
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Milesight EM400-MUD NB-IoT Affected: 0 , ≤ 1.6 (custom)
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Milesight EM400-UDL LoRaWAN® Affected: 0 , ≤ 1.2 (custom)
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Milesight EM410-RDL Cellular Affected: 0 , ≤ 1.1 (custom)
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Milesight EM411-RDL Affected: 0 , ≤ 1.2 (custom)
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Milesight EM500-CO2 V2 Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-SWL Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-LGT Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-PT100 V2 Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-PP Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-SMTC Affected: 0 , ≤ 1.11 (custom)
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Milesight EM500-UDL Affected: 0 , ≤ 1.11 (custom)
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Milesight AT101 Affected: 0 , ≤ 1.2 (custom)
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Show details on NVD website

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CVE-2026-27752 (GCVE-0-2026-27752)

Vulnerability from cvelistv5 – Published: 2026-02-27 18:08 – Updated: 2026-03-02 17:29
VLAI
Title
SODOLA SL902-SWTGW124AS <= 200.1.20 Cleartext Credential Transmission
Summary
SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 transmit authentication credentials over unencrypted HTTP, allowing attackers to capture credentials. An attacker positioned to observe network traffic between a user and the device can intercept credentials and reuse them to gain administrative access to the gateway.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 19:28 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Impacted products
Vendor Product Version
Shenzhen Hongyavision Technology Co., Ltd. (Sodola Networks) SODOLA SL902-SWTGW124AS Affected: 0 , ≤ 200.1.20 (semver)
    cpe:2.3:o:sodolanetworks:sodola_sl902-swtgw124as_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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Mitigation
Architecture and Design

Before transmitting, encrypt the data using reliable, confidentiality-protecting cryptographic protocols.

Mitigation
Implementation

When using web applications with SSL, use SSL for the entire session from login to logout, not just for the initial login page.

Mitigation
Implementation

When designing hardware platforms, ensure that approved encryption algorithms (such as those recommended by NIST) protect paths from security critical data to trusted user applications.

Mitigation
Testing

Use tools and techniques that require manual (human) analysis, such as penetration testing, threat modeling, and interactive tools that allow the tester to record and modify an active session. These may be more effective than strictly automated techniques. This is especially the case with weaknesses that are related to design and business rules.

Mitigation
Operation

Configure servers to use encrypted channels for communication, which may include SSL or other secure protocols.

CAPEC-102: Session Sidejacking

Session sidejacking takes advantage of an unencrypted communication channel between a victim and target system. The attacker sniffs traffic on a network looking for session tokens in unencrypted traffic. Once a session token is captured, the attacker performs malicious actions by using the stolen token with the targeted application to impersonate the victim. This attack is a specific method of session hijacking, which is exploiting a valid session token to gain unauthorized access to a target system or information. Other methods to perform a session hijacking are session fixation, cross-site scripting, or compromising a user or server machine and stealing the session token.

CAPEC-117: Interception

An adversary monitors data streams to or from the target for information gathering purposes. This attack may be undertaken to solely gather sensitive information or to support a further attack against the target. This attack pattern can involve sniffing network traffic as well as other types of data streams (e.g. radio). The adversary can attempt to initiate the establishment of a data stream or passively observe the communications as they unfold. In all variants of this attack, the adversary is not the intended recipient of the data stream. In contrast to other means of gathering information (e.g., targeting data leaks), the adversary must actively position themself so as to observe explicit data channels (e.g. network traffic) and read the content. However, this attack differs from a Adversary-In-the-Middle (CAPEC-94) attack, as the adversary does not alter the content of the communications nor forward data to the intended recipient.

CAPEC-383: Harvesting Information via API Event Monitoring

An adversary hosts an event within an application framework and then monitors the data exchanged during the course of the event for the purpose of harvesting any important data leaked during the transactions. One example could be harvesting lists of usernames or userIDs for the purpose of sending spam messages to those users. One example of this type of attack involves the adversary creating an event within the sub-application. Assume the adversary hosts a "virtual sale" of rare items. As other users enter the event, the attacker records via AiTM (CAPEC-94) proxy the user_ids and usernames of everyone who attends. The adversary would then be able to spam those users within the application using an automated script.

CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content

An attacker exploits the underlying complexity of a data structure that allows for both signed and unsigned content, to cause unsigned data to be processed as though it were signed data.

CAPEC-65: Sniff Application Code

An adversary passively sniffs network communications and captures application code bound for an authorized client. Once obtained, they can use it as-is, or through reverse-engineering glean sensitive information or exploit the trust relationship between the client and server. Such code may belong to a dynamic update to the client, a patch being applied to a client component or any such interaction where the client is authorized to communicate with the server.