Is CVE-2003-0332 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2003-0332, but active exploitation has not been confirmed.

Can CVE-2003-0332 be exploited remotely?

Yes. CVE-2003-0332 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2003-0332?

CVE-2003-0332 has a CVSS score of 7.6 (HIGH).

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HIGHPOC

CVE-2003-0332

NVD-CWE-OtherPublished: June 9, 2003· Updated: Jun 16, 2026

7.6

CVSS v3.1

Official Description

The ISAPI extension in BadBlue 1.7 through 2.2, and possibly earlier versions, modifies the first two letters of a filename extension after performing a security check, which allows remote attackers to bypass authentication via a filename with a .ats extension instead of a .hts extension.

NVD Source

Technical Analysis

CVE-2003-0332 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2003-0332. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.