Common Weakness Enumeration

CWE-330

Discouraged

Use 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.

444 vulnerabilities reference this CWE, most recent first.

CVE-2025-11723 (GCVE-0-2025-11723)

Vulnerability from cvelistv5 – Published: 2026-01-06 03:21 – Updated: 2026-04-08 17:13
VLAI
Title
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.5 - Unauthenticated Sensitive Information Exposure
Summary
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.5 via the hash() function due to use of a hardcoded fall-back salt. This makes it possible for unauthenticated attackers to generate a valid token across sites running the plugin that have not manually set a salt in the wp-config.php file and access booking information that will allow them to make modifications.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Credits
Lucas Montes
Show details on NVD website

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CVE-2025-11707 (GCVE-0-2025-11707)

Vulnerability from cvelistv5 – Published: 2025-12-13 04:31 – Updated: 2026-04-08 17:11
VLAI
Title
Login Lockdown & Protection <= 2.14 - IP Block Bypass
Summary
The Login Lockdown & Protection plugin for WordPress is vulnerable to IP Block Bypass in all versions up to, and including, 2.14. This is due to $unblock_key key being insufficiently random allowing unauthenticated users, with access to an administrative user email, to generate valid unblock keys for their IP Address. This makes it possible for unauthenticated attackers to bypass blocks due to invalid login attempts.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Vendor Product Version
webfactory Login Lockdown & Protection Affected: 0 , ≤ 2.14 (semver)
Create a notification for this product.
Credits
William Cooke
Show details on NVD website

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CVE-2025-10745 (GCVE-0-2025-10745)

Vulnerability from cvelistv5 – Published: 2025-09-26 03:25 – Updated: 2026-04-08 17:10
VLAI
Title
Banhammer – Monitor Site Traffic, Block Bad Users and Bots <= 3.4.8 - Unauthenticated Protection Mechanism Bypass
Summary
The Banhammer – Monitor Site Traffic, Block Bad Users and Bots plugin for WordPress is vulnerable to Blocking Bypass in all versions up to, and including, 3.4.8. This is due to a site-wide “secret key” being deterministically generated from a constant character set using md5() and base64_encode() and then stored in the `banhammer_secret_key` option. This makes it possible for unauthenticated attackers to bypass the plugin’s logging and blocking by appending a GET parameter named `banhammer-process_{SECRET}` where `{SECRET}` is the predictable value, thereby causing Banhammer to abort its protections for that request.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Credits
Jonas Benjamin Friedli
Show details on NVD website

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CVE-2025-10671 (GCVE-0-2025-10671)

Vulnerability from cvelistv5 – Published: 2025-09-18 14:32 – Updated: 2025-09-19 17:10
VLAI
Title
youth-is-as-pale-as-poetry e-learning JWT Token JwtUtils.java encryptSecret random values
Summary
A vulnerability has been found in youth-is-as-pale-as-poetry e-learning 1.0. Impacted is the function encryptSecret of the file e-learning-master\exam-api\src\main\java\com\yf\exam\ability\shiro\jwt\JwtUtils.java of the component JWT Token Handler. The manipulation leads to insufficiently random values. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Insufficiently Random Values
  • CWE-310 - Cryptographic Issues
Assigner
References
URL Tags
https://vuldb.com/?id.324792 vdb-entrytechnical-description
https://vuldb.com/?ctiid.324792 signaturepermissions-required
https://vuldb.com/?submit.653029 third-party-advisory
https://github.com/SuJing-cy/CVE/blob/main/yfhl.md exploit
Impacted products
Credits
chen_yun_n (VulDB User)
Show details on NVD website

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CVE-2025-7783 (GCVE-0-2025-7783)

Vulnerability from cvelistv5 – Published: 2025-07-18 16:34 – Updated: 2025-11-03 20:07
VLAI
Title
Usage of unsafe random function in form-data for choosing boundary
Summary
Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability is associated with program files lib/form_data.Js. This issue affects form-data: < 2.5.4, 3.0.0 - 3.0.3, 4.0.0 - 4.0.3.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Vendor Product Version
Affected: < 2.5.4 (semver)
Affected: 3.0.0 - 3.0.3 (semver)
Affected: 4.0.0 - 4.0.3 (semver)
Credits
https://github.com/benweissmann https://github.com/benweissmann https://github.com/ljharb
Show details on NVD website

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CVE-2025-6931 (GCVE-0-2025-6931)

Vulnerability from cvelistv5 – Published: 2025-06-30 22:32 – Updated: 2025-07-01 13:45 Unsupported When Assigned
VLAI
Title
D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropy
Summary
A vulnerability classified as problematic was found in D-Link DCS-6517 and DCS-7517 up to 2.02.0. Affected by this vulnerability is the function generate_pass_from_mac of the file /bin/httpd of the component Root Password Generation Handler. The manipulation leads to insufficient entropy. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-331 - Insufficient Entropy
  • CWE-330 - Insufficiently Random Values
Assigner
References
Impacted products
Credits
CookedMelon (VulDB User)
Show details on NVD website

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CVE-2025-6515 (GCVE-0-2025-6515)

Vulnerability from cvelistv5 – Published: 2025-10-20 16:13 – Updated: 2025-10-20 16:33
VLAI
Title
Reuse of session IDs in oatpp-mcp leads to session hijacking and prompt hijacking by remote attackers
Summary
The MCP SSE endpoint in oatpp-mcp returns an instance pointer as the session ID, which is not unique nor cryptographically secure. This allows network attackers with access to the oatpp-mcp server to guess future session IDs and hijack legitimate client MCP sessions, returning malicious responses from the oatpp-mcp server.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
Vendor Product Version
oatpp oatpp-mcp Affected: 0 (cpe)
Create a notification for this product.
Show details on NVD website

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CVE-2025-5136 (GCVE-0-2025-5136)

Vulnerability from cvelistv5 – Published: 2025-05-24 23:31 – Updated: 2025-05-28 17:39
VLAI
Title
Tmall Demo Payment Identifier pay random values
Summary
A vulnerability, which was classified as problematic, was found in Tmall Demo up to 20250505. This affects an unknown part of the file /tmall/order/pay/ of the component Payment Identifier Handler. The manipulation leads to insufficiently random values. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Insufficiently Random Values
  • CWE-310 - Cryptographic Issues
Assigner
References
URL Tags
https://vuldb.com/?id.310215 vdb-entry
https://vuldb.com/?ctiid.310215 signaturepermissions-required
https://vuldb.com/?submit.571960 third-party-advisory
https://github.com/bdkuzma/vuln/issues/15 exploitissue-tracking
Impacted products
Vendor Product Version
Tmall Demo Affected: 20250505
Create a notification for this product.
Credits
baihekuz (VulDB User)
Show details on NVD website

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CVE-2025-4607 (GCVE-0-2025-4607)

Vulnerability from cvelistv5 – Published: 2025-05-31 06:40 – Updated: 2026-04-08 17:12
VLAI
Title
PSW Front-end Login & Registration <= 1.12 - Insufficiently Random Values to Unauthenticated Account Takeover/Privilege Escalation via customer_registration Function
Summary
The PSW Front-end Login & Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.12 via the customer_registration() function. This is due to the use of a weak, low-entropy OTP mechanism in the forget() function. This makes it possible for unauthenticated attackers to initiate a password reset for any user, including administrators, and elevate their privileges for full site takeover.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Credits
Kenneth Dunn
Show details on NVD website

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CVE-2025-1953 (GCVE-0-2025-1953)

Vulnerability from cvelistv5 – Published: 2025-03-04 20:00 – Updated: 2025-03-04 20:36
VLAI
Title
vLLM AIBrix Prefix Caching hash.go random values
Summary
A vulnerability has been found in vLLM AIBrix 0.2.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file pkg/plugins/gateway/prefixcacheindexer/hash.go of the component Prefix Caching. The manipulation leads to insufficiently random values. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 0.3.0 is able to address this issue. It is recommended to upgrade the affected component.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Insufficiently Random Values
  • CWE-310 - Cryptographic Issues
Assigner
Impacted products
Vendor Product Version
vLLM AIBrix Affected: 0.2.0
Create a notification for this product.
Credits
kexinoh (VulDB User)
Show details on NVD website

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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.