What’s Vulnerable › Vulnerabilities

CVE-2013-5526

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-10-10 · updated 2026-06-16
• Weakness: CWE-20

Description

Cisco 9900 fourth-generation IP phones do not properly perform SDP negotiation, which allows remote attackers to cause a denial of service (device reboot) via crafted SDP packets, aka Bug ID CSCuf06698.

Affected products

• Cisco Unified Ip Phone 9951: all versions
• Cisco Unified Ip Phone 9971: all versions

References

• http://osvdb.org/98254
• http://secunia.com/advisories/55231
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5526
• http://www.securityfocus.com/bid/62905
• http://osvdb.org/98254
• http://secunia.com/advisories/55231
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5526
• http://www.securityfocus.com/bid/62905

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