How severe is CVE-2002-0661?

No CVSS score has been assigned to CVE-2002-0661 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2002-0661?

Affected package information for CVE-2002-0661 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2002-0661?

No fixed version has been published for CVE-2002-0661 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2002-0661 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2002-0661, including 1 documented proof-of-concept exploit on Exploit-DB. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2002-0661?

CVE-2002-0661 has an EPSS (Exploit Prediction Scoring System) score of 91.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

When was CVE-2002-0661 published, and has it been updated?

CVE-2002-0661 was published on August 12, 2002 and was last updated on April 10, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2002-0661

Published

Aug 12, 2002

Updated

Apr 10, 2026

Affected

0 pkgs

Patched

None yet

Exploits

1 known

EPSS Exploitation Probability

via FIRST.org ↗

91.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Directory traversal vulnerability in Apache 2.0 through 2.0.39 on Windows, OS2, and Netware allows remote attackers to read arbitrary files and execute commands via .. (dot dot) sequences containing \ (backslash) characters.

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-21697remotewindows✓ Verified

Apache 2.0 - Encoded Backslash Directory Traversal

by Auriemma Luigi · Aug 9, 2002

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2002-0661 in your stack?

O3 detects CVE-2002-0661 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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