CVE-2007-2171

CVE-2007-2171 is a critical-severity vulnerability in Novell Groupwise with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

Frequently asked questions

What is CVE-2007-2171?
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.
How severe is CVE-2007-2171?
CVE-2007-2171 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-2171 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2171?
CVE-2007-2171 primarily affects Novell Groupwise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2171?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-2171 published?
CVE-2007-2171 was published on 2007-04-24 and last updated on 2026-06-16.

References

Affected products (2)

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