Is CVE-2007-2171 in the CISA KEV catalog?

No. CVE-2007-2171 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-2171?

CVE-2007-2171 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2007-2171?

CVE-2007-2171 has an EPSS score of 24.33% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2007-2171

HIGHEPSS 98th pctl

10.0

CVSS v2

NVD

Description

Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

24.33%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://download.novell.com/Download?buildid=8RF83go0nZg~
http://download.novell.com/Download?buildid=O9ucpbS1bK0~
http://secunia.com/advisories/24944
http://securityreason.com/securityalert/2610
http://www.securityfocus.com/archive/1/466212/100/0/threaded
http://www.securityfocus.com/bid/23556
http://www.securitytracker.com/id?1017932
http://www.vupen.com/english/advisories/2007/1455
http://www.zerodayinitiative.com/advisories/ZDI-07-015.html

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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 2026-04-23.