HOMEVULNERABILITIESCVE-2006-5558
CRITICALPOC

CVE-2006-5558

NVD-CWE-OtherPublished: October 27, 2006· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Format string vulnerability in the swask command in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via format string specifiers in the -s argument. NOTE: this might be a duplicate of CVE-2006-2574, but the details relating to CVE-2006-2574 are too vague to be certain.

NVD Source

Technical Analysis

CVE-2006-5558 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-2006-5558. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

HP1 product(s)
hp-ux
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2006-5558
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedOct 27, 2006

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2006-5558 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.