Is CVE-2003-1553 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2003-1553, but active exploitation has not been confirmed.

Can CVE-2003-1553 be exploited remotely?

Yes. CVE-2003-1553 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2003-1553?

CVE-2003-1553 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2003-1553

CWE-200Published: December 31, 2003· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Haakon Nilsen Simple Internet Publishing System (SIPS) 0.2.2 stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain password and other user information via a direct request to a user-specific configuration directory.

NVD Source

Technical Analysis

CVE-2003-1553 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-2003-1553. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.