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Product
Cisco Session Initiation Protocol (SIP) Software
by Cisco · last CVE Sep 2, 2026
10
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Vulnerabilities10In the news0Timeline
Severity mix
Critical 0High 3Medium 7Low 0
Severity
All severities10Critical0High3Medium7Low0
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-20281
7.5
1%
Sep 2
Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability
Affected: 12.1(1)SR1; 11.5(1); 10.3(2); 10.2(2); 10.3(1); 10.3(1)SR4; +34 more
CVE-2025-20350
7.5
0%
Oct 15
Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Denial of Service Vulnerability
Affected: 12.1(1)SR1; 11.5(1); 10.3(2); 10.2(2); 10.3(1); 10.3(1)SR4; +34 more
CVE-2025-20336
7.5
0%
Sep 3
Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability
Affected: 12.1(1)SR1; 11.5(1); 10.3(2); 10.2(2); 10.3(1); 10.3(1)SR4; +34 more
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