CS
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
Severity mix
Critical 0High 3Medium 7Low 0
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Add Cisco Session Initiation Protocol (SIP) Software to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-1379
6.5
0%
Nov 18
Cisco IP Phones Cisco Discovery Protocol and Link Layer Discovery Protocol Remote Code Execution and Denial of Service Vulnerabilities
Affected: 9.0(3); 9.0(2)SR2; 9.0(2)SR1; 9.2(1); 9.4(2)SR1; 9.4(2); +34 more
CVE-2025-20351
6.1
0%
Oct 15
Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting 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-2025-20335
5.3
0%
Sep 3
Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Arbitrary File Write 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-2024-20445
5.3
0%
Nov 6
Cisco IP Phone 7800, 8800, and 9800 Series 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
CVE-2024-20534
4.8
0%
Nov 6
Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerability
Affected: 3.1(1); 3.0(1); 3.1(1)SR1
CVE-2024-20533
4.8
0%
Nov 6
Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerabilities
Affected: 3.1(1); 3.0(1); 3.1(1)SR1
CVE-2025-20158
4.4
0%
Feb 19
Cisco Video Phone 8875 and Desk Phone 9800 Series Information Disclosure Vulnerability
Affected: 3.1(1); 3.0(1); 2.3(1); 2.3(1)SR1; 2.2(1); 2.1(1); +3 more
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