Is CVE-2005-3277 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2005-3277, but active exploitation has not been confirmed.

Can CVE-2005-3277 be exploited remotely?

Yes. CVE-2005-3277 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2005-3277?

CVE-2005-3277 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2005-3277

NVD-CWE-OtherPublished: October 21, 2005· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

The LPD service in HP-UX 10.20 11.11 (11i) and earlier allows remote attackers to execute arbitrary code via shell metacharacters ("`" or single backquote) in a request that is not properly handled when an error occurs, as demonstrated by killing the connection, a different vulnerability than CVE-2002-1473.

NVD Source

Technical Analysis

CVE-2005-3277 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-2005-3277. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.