Is CVE-2005-0022 in the CISA KEV catalog?

No. CVE-2005-0022 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-0022?

CVE-2005-0022 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2005-0022?

CVE-2005-0022 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-0022?

Upgrade exim4 on debian 11 to 4.34-10 or later.

CVE & CISA-KEV Catalog

CVE-2005-0022

MEDIUM

4.6

CVSS v2

NVD

Description

Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary code during SPA authentication.

How to fix

Remediation Available

exim4Debian

Fixed in:4.34-10CVE-2005-0022

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch2

Vendor Advisory1

security.gentoo.org

Other references5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.