Common Weakness Enumeration
CWE-1240
AllowedUse of a Cryptographic Primitive with a Risky Implementation
Abstraction: Base · Status: Draft
To fulfill the need for a cryptographic primitive, the product implements a cryptographic algorithm using a non-standard, unproven, or disallowed/non-compliant cryptographic implementation.
46 vulnerabilities reference this CWE, most recent first.
CVE-2025-53960 (GCVE-0-2025-53960)
Vulnerability from cvelistv5 – Published: 2025-12-12 15:15 – Updated: 2025-12-16 10:08
VLAI
EPSS
VEX
Title
Apache StreamPark: Uses the user’s password as the secret key
Summary
When issuing JSON Web Tokens (JWT), Apache StreamPark directly uses the user's password as the HMAC signing key (e.g., with the HS256 algorithm). An attacker can exploit this vulnerability to perform offline brute-force attacks on the user's password using a captured JWT, or to arbitrarily forge identity tokens for the user if the password is already known, ultimately leading to complete account takeover.
This issue affects Apache StreamPark: from 2.0.0 before 2.1.7.
Users are recommended to upgrade to version 2.1.7, which fixes the issue.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-12 18:47 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache StreamPark |
Affected:
2.0.0 , < 2.1.7
(semver)
|
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CVE-2025-46424 (GCVE-0-2025-46424)
Vulnerability from cvelistv5 – Published: 2025-11-05 16:46 – Updated: 2026-02-26 17:47
VLAI
EPSS
VEX
Summary
Dell CloudLink, versions prior to 8.2, contain use of a Cryptographic Primitive with a Risky Implementation vulnerability. A high privileged attacker could potentially exploit this vulnerability leading to Denial of service.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-06 04:55 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00038436… | vendor-advisory |
Date Public
2025-10-29 17:00
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CVE-2025-29808 (GCVE-0-2025-29808)
Vulnerability from cvelistv5 – Published: 2025-04-08 17:24 – Updated: 2026-08-10 15:13
VLAI
EPSS
VEX
Title
Windows Cryptographic Services Information Disclosure Vulnerability
Summary
Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 18:37 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.3453
(custom)
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Date Public
2025-04-08 07:00
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CVE-2025-29779 (GCVE-0-2025-29779)
Vulnerability from cvelistv5 – Published: 2025-03-14 17:24 – Updated: 2025-03-19 15:27
VLAI
EPSS
VEX
Title
Post-Quantum Secure Feldman's Verifiable Secret Sharing has Inadequate Fault Injection Countermeasures in `secure_redundant_execution`
Summary
Post-Quantum Secure Feldman's Verifiable Secret Sharing provides a Python implementation of Feldman's Verifiable Secret Sharing (VSS) scheme. In versions 0.8.0b2 and prior, the `secure_redundant_execution` function in feldman_vss.py attempts to mitigate fault injection attacks by executing a function multiple times and comparing results. However, several critical weaknesses exist. Python's execution environment cannot guarantee true isolation between redundant executions, the constant-time comparison implementation in Python is subject to timing variations, the randomized execution order and timing provide insufficient protection against sophisticated fault attacks, and the error handling may leak timing information about partial execution results. These limitations make the protection ineffective against targeted fault injection attacks, especially from attackers with physical access to the hardware. A successful fault injection attack could allow an attacker to bypass the redundancy check mechanisms, extract secret polynomial coefficients during share generation or verification, force the acceptance of invalid shares during verification, and/or manipulate the commitment verification process to accept fraudulent commitments. This undermines the core security guarantees of the Verifiable Secret Sharing scheme. As of time of publication, no patched versions of Post-Quantum Secure Feldman's Verifiable Secret Sharing exist, but other mitigations are available. Long-term remediation requires reimplementing the security-critical functions in a lower-level language like Rust. Short-term mitigations include deploying the software in environments with physical security controls, increasing the redundancy count (from 5 to a higher number) by modifying the source code, adding external verification of cryptographic operations when possible, considering using hardware security modules (HSMs) for key operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-14 18:18 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/DavidOsipov/PostQuantum-Feldma… | x_refsource_CONFIRM |
| https://en.wikipedia.org/wiki/Fault_attack | x_refsource_MISC |
| https://eprint.iacr.org/2004/100.pdf | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DavidOsipov | PostQuantum-Feldman-VSS |
Affected:
<= 0.8.0b2
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CVE-2025-24802 (GCVE-0-2025-24802)
Vulnerability from cvelistv5 – Published: 2025-01-30 19:20 – Updated: 2025-01-30 19:55
VLAI
EPSS
VEX
Title
Soundness issue with Plonky2 look up tables
Summary
Plonky2 is a SNARK implementation based on techniques from PLONK and FRI. Lookup tables, whose length is not divisible by 26 = floor(num_routed_wires / 3) always include the 0 -> 0 input-output pair. Thus a malicious prover can always prove that f(0) = 0 for any lookup table f (unless its length happens to be divisible by 26). The cause of problem is that the LookupTableGate-s are padded with zeros. A workaround from the user side is to extend the table (by repeating some entries) so that its length becomes divisible by 26. This vulnerability is fixed in 1.0.1.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-30 19:54 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/0xPolygonZero/plonky2/security… | x_refsource_CONFIRM |
| https://github.com/0xPolygonZero/plonky2/commit/0… | x_refsource_MISC |
| https://github.com/0xPolygonZero/plonky2/blob/mai… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| 0xPolygonZero | plonky2 |
Affected:
= 1.0.0
|
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CVE-2025-22475 (GCVE-0-2025-22475)
Vulnerability from cvelistv5 – Published: 2025-02-04 02:19 – Updated: 2025-02-04 16:42
VLAI
EPSS
VEX
Summary
Dell PowerProtect DD, versions prior to DDOS 8.3.0.0, 7.10.1.50, and 7.13.1.10 contains a use of a Cryptographic Primitive with a Risky Implementation vulnerability. A remote attacker could potentially exploit this vulnerability, leading to Information tampering.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 16:42 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00027915… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerProtect DD |
Affected:
7.7.1.0 , ≤ 8.1.0.10
(semver)
Affected: 7.13.1.0 , ≤ 7.13.1.10 (semver) Affected: 7.10.1.0 , ≤ 7.10.1.40 (semver) |
Date Public
2025-01-31 06:30
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CVE-2025-14505 (GCVE-0-2025-14505)
Vulnerability from cvelistv5 – Published: 2026-01-08 21:05 – Updated: 2026-01-08 21:22 X_Open Source
VLAI
EPSS
VEX
Title
Elliptic Cryptanalysis vulnerability when `k` has leading zeros
Summary
The ECDSA implementation of the Elliptic package generates incorrect signatures if an interim value of 'k' (as computed based on step 3.2 of RFC 6979 https://datatracker.ietf.org/doc/html/rfc6979 ) has leading zeros and is susceptible to cryptanalysis, which can lead to secret key exposure. This happens, because the byte-length of 'k' is incorrectly computed, resulting in its getting truncated during the computation. Legitimate transactions or communications will be broken as a result. Furthermore, due to the nature of the fault, attackers could–under certain conditions–derive the secret key, if they could get their hands on both a faulty signature generated by a vulnerable version of Elliptic and a correct signature for the same inputs.
This issue affects all known versions of Elliptic (at the time of writing, versions less than or equal to 6.6.1).
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-08 21:22 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.herodevs.com/vulnerability-directory/… | third-party-advisory |
| https://github.com/indutny/elliptic/issues/321 | issue-trackingexploit |
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CVE-2024-37137 (GCVE-0-2024-37137)
Vulnerability from cvelistv5 – Published: 2024-06-28 01:33 – Updated: 2024-08-02 03:50
VLAI
EPSS
VEX
Summary
Dell Key Trust Platform, v3.0.6 and prior, contains Use of a Cryptographic Primitive with a Risky Implementation vulnerability. A local privileged attacker could potentially exploit this vulnerability, leading to privileged information disclosure.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-01 20:25 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00022647… | vendor-advisory |
Date Public
2024-06-27 06:30
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CVE-2024-0323 (GCVE-0-2024-0323)
Vulnerability from cvelistv5 – Published: 2024-02-05 16:05 – Updated: 2024-09-06 07:21
VLAI
EPSS
VEX
Title
FTP uses unsecure encryption mechanisms
Summary
The FTP server used on the B&R
Automation Runtime supports unsecure encryption mechanisms, such as SSLv3,
TLSv1.0 and TLS1.1. An network-based attacker can exploit the flaws to conduct
man-in-the-middle attacks or to decrypt communications between the affected product
clients.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-22 14:10 UTC
CWE
- CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| B&R Industrial Automation | Automation Runtime |
Affected:
14.0 , < 14.93
(custom)
|
|
| br-automation | automation_runtime |
Affected:
14.0 , < 14.93
(custom)
cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* |
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CVE-2024-0220 (GCVE-0-2024-0220)
Vulnerability from cvelistv5 – Published: 2024-02-22 10:15 – Updated: 2024-09-19 17:24
VLAI
EPSS
VEX
Title
B&R products use insufficient communication encryption
Summary
B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communication to the upgrade and the licensing servers. A network-based attacker could exploit the vulnerability to execute arbitrary code on the products or sniff sensitive data.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-22 16:23 UTC
CWE
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| B&R Industrial Automation | Automation Studio |
Affected:
4.0 , < 4.6
(patch)
|
|
| B&R Industrial Automation | Technology Guarding |
Affected:
1.0.0 , < 1.4.0
(patch)
|
|
| br-automation | automation_studio |
Affected:
4.0 , < 4.6
(custom)
cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:* |
Date Public
2024-02-22 10:10
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Mitigation MIT-55
Requirements
Require compliance with the strongest-available recommendations from trusted parties, and require that compliance must be kept up-to-date, since recommendations evolve over time. For example, US government systems require FIPS 140-3 certification, which supersedes FIPS 140-2 [REF-1192] [REF-267].
Mitigation
Architecture and Design
Ensure that the architecture/design uses the strongest-available primitives and algorithms from trusted parties. For example, US government systems require FIPS 140-3 certification, which supersedes FIPS 140-2 [REF-1192] [REF-267].
Mitigation MIT-54
Architecture and Design
Do not develop custom or private cryptographic algorithms. They will likely be exposed to attacks that are well-understood by cryptographers. As with all cryptographic mechanisms, the source code should be available for analysis. If the algorithm may be compromised when attackers find out how it works, then it is especially weak.
Mitigation
Architecture and Design
Try not to use cryptographic algorithms in novel ways or with new modes of operation even when you "know" it is secure. For example, using SHA-2 chaining to create a 1-time pad for encryption might sound like a good idea, but one should not do this.
Mitigation MIT-52
Architecture and Design
Ensure that the design can replace one cryptographic primitive or algorithm with another in the next generation ("cryptographic agility"). Where possible, use wrappers to make the interfaces uniform. This will make it easier to upgrade to stronger algorithms. This is especially important for hardware, which can be more difficult to upgrade quickly than software; design the hardware at a replaceable block level.
Mitigation
Architecture and Design
Do not use outdated or non-compliant cryptography algorithms. Some older algorithms, once thought to require a billion years of computing time, can now be broken in days or hours. This includes MD4, MD5, SHA1, DES, and other algorithms that were once regarded as strong [REF-267].
Mitigation
Architecture and Design
Implementation
Do not use a linear-feedback shift register (LFSR) or other legacy methods as a substitute for an accepted and standard Random Number Generator.
Mitigation
Architecture and Design
Implementation
Do not use a checksum as a substitute for a cryptographically generated hash.
Mitigation
Architecture and Design
Strategy: Libraries or Frameworks
Use a vetted cryptographic library or framework. Industry-standard implementations will save development time and are more likely to avoid errors that can occur during implementation of cryptographic algorithms. However, the library/framework could be used incorrectly during implementation.
Mitigation
Architecture and Design
Implementation
When using industry-approved techniques, use them correctly. Don't cut corners by skipping resource-intensive steps (CWE-325). These steps are often essential for the prevention of common attacks.
Mitigation
Architecture and Design
Implementation
Do not store keys in areas accessible to untrusted agents. Carefully manage and protect the cryptographic keys (see CWE-320). If the keys can be guessed or stolen, then the strength of the cryptography algorithm is irrelevant.
CAPEC-97: Cryptanalysis
Cryptanalysis is a process of finding weaknesses in cryptographic algorithms and using these weaknesses to decipher the ciphertext without knowing the secret key (instance deduction). Sometimes the weakness is not in the cryptographic algorithm itself, but rather in how it is applied that makes cryptanalysis successful. An attacker may have other goals as well, such as: Total Break (finding the secret key), Global Deduction (finding a functionally equivalent algorithm for encryption and decryption that does not require knowledge of the secret key), Information Deduction (gaining some information about plaintexts or ciphertexts that was not previously known) and Distinguishing Algorithm (the attacker has the ability to distinguish the output of the encryption (ciphertext) from a random permutation of bits).