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.

447 vulnerabilities reference this CWE, most recent first.

CVE-2025-68704 (GCVE-0-2025-68704)

Vulnerability from cvelistv5 – Published: 2026-01-13 19:29 – Updated: 2026-01-13 19:54
VLAI
Title
Jervis has a Weak Random for Timing Attack Mitigation
Summary
Jervis is a library for Job DSL plugin scripts and shared Jenkins pipeline libraries. Prior to 2.2, Jervis uses java.util.Random() which is not cryptographically secure for timing attack mitigation. This vulnerability is fixed in 2.2.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
Vendor Product Version
samrocketman jervis Affected: < 2.2
Create a notification for this product.
Show details on NVD website

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CVE-2025-66511 (GCVE-0-2025-66511)

Vulnerability from cvelistv5 – Published: 2025-12-05 16:42 – Updated: 2025-12-05 16:53
VLAI
Title
Nextcloud Calendar app used predictable proposal participant tokens
Summary
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The tokens are not purely random generated. This vulnerability is fixed in 6.0.3.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Vendor Product Version
nextcloud security-advisories Affected: >= 6.0.0-rc.1, < 6.0.3
Create a notification for this product.
Show details on NVD website

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CVE-2025-64097 (GCVE-0-2025-64097)

Vulnerability from cvelistv5 – Published: 2026-01-22 14:57 – Updated: 2026-01-22 16:16
VLAI
Title
NervesHub has Insufficient Token Entropy that Allows Authentication Bypass via Brute Force
Summary
NervesHub is a web service that allows users to manage over-the-air (OTA) firmware updates of devices in the field. A vulnerability present starting in version 1.0.0 and prior to version 2.3.0 allowed attackers to brute-force user API tokens due to the predictable format of previously issued tokens. Tokens included user-identifiable components and were not cryptographically secure, making them susceptible to guessing or enumeration. The vulnerability could have allowed unauthorized access to user accounts or API actions protected by these tokens. A fix is available in version 2.3.0 of NervesHub. This version introduces strong, cryptographically-random tokens using `:crypto.strong_rand_bytes/1`, hashing of tokens before database storage to prevent misuse even if the database is compromised, and context-aware token storage to distinguish between session and API tokens. There are no practical workarounds for this issue other than upgrading. In sensitive environments, as a temporary mitigation, firewalling access to the NervesHub server can help limit exposure until an upgrade is possible.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
Impacted products
Vendor Product Version
nerves-hub nerves_hub_web Affected: >= 1.0.0, < 2.3.0
Create a notification for this product.
Show details on NVD website

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CVE-2025-59371 (GCVE-0-2025-59371)

Vulnerability from cvelistv5 – Published: 2025-11-25 07:30 – Updated: 2026-02-26 16:07
VLAI
Summary
An authentication bypass vulnerability has been identified in the IFTTT integration feature. A remote, authenticated attacker could leverage this vulnerability to potentially gain unauthorized access to the device. This vulnerability does not affect Wi-Fi 7 series models. Refer to the 'Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
URL Tags
https://www.asus.com/security-advisory/ vendor-advisory
Impacted products
Vendor Product Version
ASUS Router Affected: 3.0.0.4_386
Affected: 3.0.0.4_388
Affected: 3.0.0.6_102
Create a notification for this product.
Show details on NVD website

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CVE-2025-49198 (GCVE-0-2025-49198)

Vulnerability from cvelistv5 – Published: 2025-06-12 14:24 – Updated: 2025-06-17 19:02
VLAI
Title
Poor quality of randomness in authorization tokens
Summary
The Media Server’s authorization tokens have a poor quality of randomness. An attacker may be able to guess the token of an active user by computing plausible tokens.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
URL Tags
https://sick.com/psirt x_SICK PSIRT Website
https://cdn.sick.com/media/docs/1/11/411/Special_… x_SICK Operating Guidelines
https://www.cisa.gov/resources-tools/resources/ic… x_ICS-CERT recommended practices on Industrial Security
https://www.first.org/cvss/calculator/3.1 x_CVSS v3.1 Calculator
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisory
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisoryx_csaf
Impacted products
Vendor Product Version
SICK AG SICK Media Server Affected: all versions (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-43866 (GCVE-0-2025-43866)

Vulnerability from cvelistv5 – Published: 2025-06-12 18:04 – Updated: 2025-06-13 14:06
VLAI
Title
Vantage6 Server JWT secret not cryptographically secure
Summary
vantage6 is an open-source infrastructure for privacy preserving analysis. The JWT secret key in the vantage6 server is auto-generated unless defined by the user. The auto-generated key is a UUID1, which is not cryptographically secure as it is predictable to some extent. This vulnerability is fixed in 4.11.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
Vendor Product Version
vantage6 vantage6 Affected: < 4.11
Create a notification for this product.
Show details on NVD website

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CVE-2025-22150 (GCVE-0-2025-22150)

Vulnerability from cvelistv5 – Published: 2025-01-21 17:46 – Updated: 2025-02-12 20:41
VLAI
Title
Undici Uses Insufficiently Random Values
Summary
Undici is an HTTP/1.1 client. Starting in version 4.5.0 and prior to versions 5.28.5, 6.21.1, and 7.2.3, undici uses `Math.random()` to choose the boundary for a multipart/form-data request. It is known that the output of `Math.random()` can be predicted if several of its generated values are known. If there is a mechanism in an app that sends multipart requests to an attacker-controlled website, they can use this to leak the necessary values. Therefore, an attacker can tamper with the requests going to the backend APIs if certain conditions are met. This is fixed in versions 5.28.5, 6.21.1, and 7.2.3. As a workaround, do not issue multipart requests to attacker controlled servers.
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
nodejs undici Affected: >= 4.5.0, < 5.28.5
Affected: >= 6.0.0, < 6.21.1
Affected: >= 7.0.0, < 7.2.3
Create a notification for this product.
Show details on NVD website

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CVE-2025-15574 (GCVE-0-2025-15574)

Vulnerability from cvelistv5 – Published: 2026-02-12 10:58 – Updated: 2026-02-12 15:15
VLAI
Title
Insecure Credential Generation for Solax Power Pocket WiFi models MQTT Cloud Connection
Summary
When connecting to the Solax Cloud MQTT server the username is the "registration number", which is the 10 character string printed on the SolaX Power Pocket device / the QR code on the device. The password is derived from the "registration number" using a proprietary XOR/transposition algorithm. Attackers with the knowledge of the registration numbers can connect to the MQTT server and impersonate the dongle / inverters.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Credits
Stefan Viehböck, SEC Consult Vulnerability Lab
Show details on NVD website

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CVE-2025-13955 (GCVE-0-2025-13955)

Vulnerability from cvelistv5 – Published: 2025-12-10 08:30 – Updated: 2026-05-28 12:30
VLAI
Title
Predictable Default Wi-Fi Password in EZCast Pro II Dongle
Summary
Predictable default Wi-Fi Password in Access Point functionality in EZCast Pro II before version 1.17478.177 allows attackers in Wi-Fi range to gain access to the dongle by calculating the default password from observable device identifiers
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
EZCast EZCast Pro II Affected: 0 , < 1.17478.177 (custom)
Create a notification for this product.
Credits
Swiss National Test Institute for Cybersecurity NTC Swiss National Cybersecurity Centre
Show details on NVD website

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CVE-2025-13470 (GCVE-0-2025-13470)

Vulnerability from cvelistv5 – Published: 2025-11-21 17:05 – Updated: 2025-11-21 17:35
VLAI
Title
RNP 0.18.0 Vulnerable PKESK session keys
Summary
In RNP version 0.18.0 a refactoring regression causes the symmetric session key used for Public-Key Encrypted Session Key (PKESK) packets to be left uninitialized except for zeroing, resulting in it always being an all-zero byte array. Any data encrypted using public-key encryption in this release can be decrypted trivially by supplying an all-zero session key, fully compromising confidentiality. The vulnerability affects only public key encryption (PKESK packets).  Passphrase-based encryption (SKESK packets) is not affected. Root cause: Vulnerable session key buffer used in PKESK packet generation. The defect was introduced in commit `7bd9a8dc356aae756b40755be76d36205b6b161a` where initialization logic inside `encrypted_build_skesk()` only randomized the key for the SKESK path and omitted it for the PKESK path.
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
Ribose RNP Affected: 0.18.0
Create a notification for this product.
Date Public
2025-11-21 00:00
Credits
Johannes Roth (MTG AG)
Show details on NVD website

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    "assignerShortName": "Ribose",
    "cveId": "CVE-2025-13470",
    "datePublished": "2025-11-21T17:05:15.683Z",
    "dateReserved": "2025-11-20T08:36:59.270Z",
    "dateUpdated": "2025-11-21T17:35:33.645Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.