Common Weakness Enumeration

CWE-319

Allowed

Cleartext Transmission of Sensitive Information

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

1147 vulnerabilities reference this CWE, most recent first.

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

Vulnerability from cvelistv5 – Published: 2026-03-17 21:42 – Updated: 2026-05-08 14:03 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.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
EDIMAX Technology Co., Ltd. Edimax GS-5008PL Affected: 0 , ≤ 1.0.54 (semver)
Create a notification for this product.
Date Public
2026-03-18 00:00
Credits
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Show details on NVD website
To clipboard 

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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.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
cryptomator cryptomator Affected: < 1.19.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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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.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
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
Oleh Konko
Show details on NVD website
To clipboard 

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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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache APISIX Affected: 0.7 , ≤ 3.15.0 (semver)
Create a notification for this product.
Credits
Oleh Konko
Show details on NVD website
To clipboard 

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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.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
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)
Create a notification for this product.
Date Public
2026-03-05 13:45
Credits
Erez Kalman Erez Kalman
Show details on NVD website
To clipboard 

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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.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Credits
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Show details on NVD website
To clipboard 

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CVE-2026-25608 (GCVE-0-2026-25608)

Vulnerability from cvelistv5 – Published: 2026-05-22 09:14 – Updated: 2026-05-22 10:59
VLAI
Title
Lack of traffic encryption in STER
Summary
STER uses unencrypted TCP traffic to transmit data over the network. It allows an attacker to conduct a Man-In-The-Middle attack and obtain sensitive data such as passwords, personal data, or authentication tokens. This issue was fixed in version 9.5.
Severity
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Date Public
2026-05-22 12:18
Credits
Michelin CERT
Show details on NVD website
To clipboard 

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CVE-2026-25599 (GCVE-0-2026-25599)

Vulnerability from cvelistv5 – Published: 2026-06-01 09:17 – Updated: 2026-06-01 13:01 Unsupported When Assigned
VLAI
Title
Missing authentication and clear‑text data transmission affecting Orca heat pumps
Summary
Missing authentication and clear‑text transmission of data from the heat pumps to the control server, combined with the absence of input validation on aggregated data, can lead to stored XSS that enables theft of cookies from the pump’s web control interface. Older Orca heat pump devices communicating with the Orca server over an unencrypted and unauthenticated HTTP connection on a non-secure port specifically enable an attacker to impersonate a legitimate device and inject malicious payloads. This enables the insertion of harmful code directly into the Orca user portal, potentially compromising user accounts, exposing sensitive information, and allowing further unauthorized actions within the portal.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
  • CWE-306 - Missing authentication for critical function
  • CWE-319 - Cleartext transmission of sensitive information
Assigner
References
Impacted products
Credits
Tom Kern, NIL d.o.o.
Show details on NVD website
To clipboard 

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CVE-2026-24455 (GCVE-0-2026-24455)

Vulnerability from cvelistv5 – Published: 2026-02-20 16:00 – Updated: 2026-02-20 20:01 Unsupported When Assigned
VLAI
Title
Jinan USR IOT Technology Limited (PUSR) USR-W610 Cleartext Transmission of Sensitive Information
Summary
The embedded web interface of the device does not support HTTPS/TLS for authentication and uses HTTP Basic Authentication. Traffic is encoded but not encrypted, exposing user credentials to passive interception by attackers on the same network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Jinan USR IOT Technology Limited (PUSR) USR-W610 Affected: 0 , ≤ 3.1.1.0 (custom)
Create a notification for this product.
Credits
Abhishek Pandey of Payatu Security Consulting reported this to CISA.
Show details on NVD website
To clipboard 

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CVE-2026-24441 (GCVE-0-2026-24441)

Vulnerability from cvelistv5 – Published: 2026-02-03 19:14 – Updated: 2026-05-14 02:09
VLAI
Title
Tenda AC7 Transmits Admin Credentials Without HTTPS Protection
Summary
Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior expose account credentials in plaintext within HTTP responses, allowing an on-path attacker to obtain sensitive authentication material.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version
Shenzhen Tenda Technology Co., Ltd. Tenda AC7 Affected: 0 , ≤ 03.03.03.01_cn (custom)
Create a notification for this product.
Credits
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Show details on NVD website
To clipboard 

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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.

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