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CVE-2005-3277Hp-Ux Vulnerability

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…

Published Oct 21, 2005 · Updated Apr 15, 2026

Key Facts

Patch immediately
  • CVE-2005-3277 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Hp-Ux.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 22% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

22%

Higher than 97.6% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

37/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Advisories And Exploit References

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.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
Hp-UxHp10.20, 11.00, 11.11n/a

Timeline

  1. Publicly disclosed

    Oct 21, 2005

  2. Last updated

    Apr 15, 2026

FAQ

Common Questions.

Is CVE-2005-3277 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

Figures as of Oct 20, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.