CVE-2009-5139: n/a vulnerability

CVE-2009-5139: The SIP implementation on the Gizmo5 software phone provides hashed credentials in a response to an invalid...

The SIP implementation on the Gizmo5 software phone provides hashed credentials in a response to an invalid authentication challenge, which makes it easier for remote attackers to obtain access via a brute-force attack, related to a "SIP Digest Leak" issue.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 07:32 UTC (UTC+00:00)

Security readout for executives and security teams

Gizmo5 software phone SIP authentication could reveal hashed credentials after an invalid authentication challenge. An attacker could use the leaked hash for brute-force attempts against the account. The supplied sources provide no severity score, KEV listing, affected version range, or confirmed vendor fix. Exposure appears limited to environments still using the Gizmo5 software phone or matching SIP behavior. The structured affected product fields are n/a, so validation should focus on legacy VoIP client inventory and SIP authentication behavior. Treat as a legacy exposure review rather than an emergency, unless Gizmo5 or similar SIP clients are still in use. Credential compromise could affect VoIP billing, impersonation, and call routing. Mitigation focus: Identify and retire any Gizmo5 software phone deployments.; Check vendor or archive guidance for replacement or update options.; Enforce strong, unique SIP account passwords..

Prepared: Jun 6, 2026, 02:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 12, 2020, 13:29 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://resources.enablesecurity.com/resources/sipdigestleak-tut.pdfCVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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