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CVE-2002-1446
The error checking routine used for the C_Verify call on a symmetric verification key in the nCipher PKCS#11 library 1.2.0 and later…
Medium5.0EPSS 1.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The error checking routine used for the C_Verify call on a symmetric verification key in the nCipher PKCS#11 library 1.2.0 and later returns the CKR_OK status even when it detects an invalid signature, which could allow remote attackers to modify or forge messages.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 28% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- ncipher-cverify-improper-verification(9895) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 5498 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.ncipher.com/support/advisories/advisory5_c_verify.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20020819 nCipher Advisory #5: C_Verify validates incorrect symmetric signatures (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .