CVE-2002-1446: The error checking routine used for the C_Verify call on a symmetric verification key in the nCipher PKCS#11 l

Routine

MEDIUM 5.0DOWNGRADE

CVE-2002-1446 is a medium-severity flaw (CVSS 5.0) affecting pkcs 11 library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2002-08-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ncipher

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2002-08-01 04:00 UTCPublished CVE record published
2026-06-16 21:59 UTCUpdated Record last modified

ncipher pkcs 11 library DOWNGRADE

Affected: 1.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

apt-cache policy pkcs-11-library || rpm -q pkcs-11-library || pkcs-11-library --version

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison pkcs-11-library sudo apt install pkcs-11-library=<VERSION_BEFORE_1.2.0> sudo apt-mark hold pkcs-11-library

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pkcs-11-library sudo dnf downgrade pkcs-11-library-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add pkcs-11-library

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2002-1446?

pkcs 11 library: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1446 being exploited?

CVE-2002-1446 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2002-1446 affect?

CVE-2002-1446 affects pkcs 11 library. Severity is medium (CVSS 5.0). 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

How urgent is CVE-2002-1446?

Priority 35/100. No elevated risk signals yet.

References

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