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Unrated severityNVD Advisory· Published May 16, 2015· Updated Jun 17, 2026

CVE-2015-0731

CVE-2015-0731

Description

The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Cisco Systems, Inc./Cisco iOS3 versions
    cpe:2.3:o:cisco:ios:15.3\(3\)s1:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:cisco:ios:15.3\(3\)s1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*
    • (no CPE)range: =15.3S

Patches

Vulnerability mechanics

References

2

News mentions

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