UC
Product
Unity Connection
by Cisco · last CVE May 6, 2026
On CISA KEVExploited in the wild
64
CVEs
1
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 4High 8Medium 30Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-20045
In wildKEV
9.8
5%
Jan 21
Cisco Unified Communications Products Remote Code Execution Vulnerability
Affected: 12.5 before 14su5; 15.0 through 15su3
CVE-2024-20253
10.0
2%
Jan 26
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an…
Affected: before 12.5\(1\)su8; 14.0 before 14su3
CVE-2024-20272
9.8
2%
Jan 17
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system and…
Affected: before 12.5.1.19017-4; 14.0 before 14.0.1.14006-5
CVE-2017-12337
9.8
6%
Nov 16
A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote…
Affected: All versions, or not specified
CVE-2026-20034
8.8
1%
May 6
Cisco Unity Connection Remote Code Execution Vulnerability
Affected: before 14.0; 14.0; 14su1; 14su2; 14su3; 14su4; +4 more
CVE-2022-20859
8.8
1%
Jul 6
A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM…
Affected: 14.0 before 14su2
CVE-2021-1362
8.8
3%
Apr 8
A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications…
Affected: 10.5\(2\) before 11.5\(1\)su9; 12.0\(1\) before 12.5\(1\)su4
CVE-2023-20259
7.5
1%
Oct 4
A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could…
Affected: 14su3
CVE-2017-6779
7.5
2%
Jun 7
Multiple Cisco products are affected by a vulnerability in local file management for certain system log files of Cisco collaboration products that could allow an unauthenticated,…
Affected: 10.5 before 10.5su5; 11.0 before 11.5.1su3; 9.5(0.9)tt0; 12.0
CVE-2015-6360
7.5
8%
Apr 21
The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686
Affected: 1.1(1); 1.2_base; 2.0(1); 2.0_base; 2.1_base; 7.0_base; +34 more
CVE-2026-20035
7.2
0%
May 6
Cisco Unity Connection Server-Side Request Forgery Vulnerability
Affected: before 14.0; 14.0; 14su1; 14su2; 14su3; 14su4; +4 more
CVE-2023-20266
7.2
0%
Aug 30
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME),…
Affected: 12.5(1)su6; 12.5(1)su7; 12.5(1)su8; 14su2; 14su3
CVE-2018-15396
6.8
2%
Oct 5
A vulnerability in the Bulk Administration Tool (BAT) for Cisco Unity Connection could allow an authenticated, remote attacker to cause high disk utilization, resulting in a…
Affected: 12.5
CVE-2025-20278
6.7
0%
Jun 4
A vulnerability in the CLI of multiple Cisco Unified Communications products could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating…
Affected: 12.5(1); 12.5(1)su1; 12.5(1)su2; 12.5(1)su3; 12.5(1)su4; 12.5(1)su5; +5 more
CVE-2026-20061
6.5
0%
Apr 15
Cisco Unity Connection SQL Injection Vulnerability
Affected: through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +6 more
CVE-2026-20081
6.5
0%
Apr 15
Cisco Unity Connection Arbitrary File Download Vulnerability
Affected: through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +6 more
CVE-2026-20078
6.5
0%
Apr 15
Cisco Unity Connection Arbitrary File Download Vulnerability
Affected: through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +6 more
CVE-2021-1226
6.5
1%
Jan 13
A vulnerability in the audit logging component of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified…
Affected: 11.5\(1\) before 11.5\(1\)su9; 12.0\(1\) before 12.0\(1\)su4; 12.5\(1\) before 12.5\(1\)su3; 10.5(2)
CVE-2020-3130
6.5
2%
Sep 23
A vulnerability in the web management interface of Cisco Unity Connection could allow an authenticated remote attacker to overwrite files on the underlying filesystem
Affected: 11.0 before 11.5su7; 12.0 before 12.5su2
CVE-2019-1915
6.5
1%
Oct 2
A vulnerability in the web-based interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition (SME), Cisco Unified…
Affected: 11.5; 12.0; 12.5; 14.0
CVE-2026-20059
6.1
0%
Apr 15
Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability
Affected: through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +6 more
CVE-2022-20800
6.1
1%
Jul 6
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition…
Affected: 11.5\(1\) before 14su2
CVE-2022-20788
6.1
1%
Apr 21
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session Management Edition (Unified CM SME), and Cisco…
Affected: 12.5\(1\) before 12.5\(1\)su6; 14.0 before 14su1
CVE-2021-1409
6.1
1%
Apr 8
Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service…
Affected: before 14.0
CVE-2021-1380
6.1
1%
Apr 8
Multiple vulnerabilities in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service…
Affected: before 14.0
CVE-2020-3282
6.1
1%
Jul 2
A vulnerability in the web-based management interface of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified…
Affected: 10.5\(2\) before 10.5\(2\)su10; 11.5\(1\) before 11.5\(1\)su8; 12.0(1); 12.5(1)
CVE-2019-12707
6.1
1%
Oct 2
A vulnerability in the web-based interface of multiple Cisco Unified Communications products could allow an unauthenticated, remote attacker to conduct a cross-site scripting…
Affected: 11.5; 12.0; 12.5
CVE-2019-1685
6.1
1%
Feb 21
Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability
Affected: 12.5
CVE-2018-0354
6.1
2%
Jun 7
A vulnerability in the web framework of Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of…
Affected: 12.5
CVE-2017-12212
6.1
1%
Sep 7
A vulnerability in the web framework of Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a…
Affected: 10.5(2)
CVE-2016-1377
6.1
1%
Apr 12
Cross-site scripting (XSS) vulnerability in Cisco Unity Connection through 11.0 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters, aka Bug…
Affected: 10.0.0; 10.0.5; 10.5(2); 10.5(2.3009); 11.0(0.98000.225); 11.0.0
CVE-2016-1304
6.1
1%
Jan 30
Cross-site scripting (XSS) vulnerability in Cisco Unity Connection 10.5(2.3009) allows remote attackers to inject arbitrary web script or HTML via a crafted value, aka Bug ID…
Affected: 10.5(2.3009)
CVE-2016-1300
6.1
1%
Jan 27
Cross-site scripting (XSS) vulnerability in Cisco Unity Connection (UC) 10.5(2.3009) allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka Bug ID…
Affected: 10.5(2.3009)
CVE-2018-15403
5.4
1%
Oct 5
A vulnerability in the web interface of Cisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, and Cisco…
Affected: 9.1(1)es23
CVE-2022-20752
5.3
1%
Jul 6
A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection…
Affected: 12.5\(1\) before 12.5\(1\)su6; 14.0 before 14su1
CVE-2018-0203
5.3
2%
Feb 22
A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability
Affected: All versions, or not specified
CVE-2017-6629
5.3
3%
May 3
A vulnerability in the ImageID parameter of Cisco Unity Connection 10.5(2) could allow an unauthenticated, remote attacker to access files in arbitrary locations on the filesystem…
Affected: 10.5(2)
CVE-2024-20305
4.8
0%
Jan 26
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack…
Affected: before 15.0
CVE-2020-3129
4.8
1%
Jan 26
A vulnerability in the web-based management interface of Cisco Unity Connection Software could allow an authenticated, remote attacker to perform a stored cross-site scripting…
Affected: before 12.5su2
CVE-2018-15426
4.8
1%
Oct 5
A vulnerability in the web-based interface of Cisco Unity Connection could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a…
Affected: vmo-11.5(1)
CVE-2026-20060
4.7
0%
Apr 15
Cisco Unity Connection Open Redirect Vulnerability
Affected: through 12.5; 14.0; 14su1; 14su2; 14su3; 14su3a; +5 more
CVE-2021-34701
4.3
2%
Nov 4
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition…
Affected: before 14su1
CVE-2015-6408
–
1%
Dec 12
Cross-site request forgery (CSRF) vulnerability in Cisco Unity Connection 11.5(0.98) allows remote attackers to hijack the authentication of arbitrary users, aka Bug ID CSCux24578
Affected: 11.5(0.98)
CVE-2015-6390
–
1%
Dec 3
Cross-site scripting (XSS) vulnerability in the management interface in Cisco Unity Connection 9.1(1.10) allows remote attackers to inject arbitrary web script or HTML via a…
Affected: 9.1(1.10)
CVE-2015-6299
–
2%
Sep 20
SQL injection vulnerability in the web interface in Cisco Unity Connection 9.1(1.2) and earlier allows remote authenticated users to execute arbitrary SQL commands via a crafted…
Affected: 9.1(1); 9.1(2)
CVE-2015-0716
–
1%
May 7
Cross-site request forgery (CSRF) vulnerability in the CUCReports page in Cisco Unity Connection 11.0(0.98000.225) and 11.0(0.98000.332) allows remote attackers to hijack the…
Affected: 11.0(0.98000.225); 11.0(0.98000.332)
CVE-2015-0715
–
1%
May 7
SQL injection vulnerability in the administrative web interface in Cisco Unified Communications Manager 11.0(0.98000.225) allows remote authenticated users to execute arbitrary…
Affected: 11.0(0.98000.225)
CVE-2015-0616
–
2%
Apr 3
The Connection Conversation Manager (aka CuCsMgr) process in Cisco Unity Connection 8.5 before 8.5(1)SU7, 8.6 before 8.6(2a)SU4, and 9.x before 9.1(2)SU2, when SIP trunk…
Affected: 8.5(1); 8.5(1)su1; 8.5(1)su2; 8.5(1)su3; 8.5(1)su4; 8.5(1)su5; +13 more
CVE-2015-0615
–
2%
Apr 3
The call-handling implementation in Cisco Unity Connection 8.5 before 8.5(1)SU7, 8.6 before 8.6(2a)SU4, 9.x before 9.1(2)SU2, and 10.0 before 10.0(1)SU1, when SIP trunk…
Affected: 8.5(1); 8.5(1)su1; 8.5(1)su2; 8.5(1)su3; 8.5(1)su4; 8.5(1)su5; +15 more
CVE-2015-0614
–
2%
Apr 3
The Connection Conversation Manager (aka CuCsMgr) process in Cisco Unity Connection 8.5 before 8.5(1)SU7, 8.6 before 8.6(2a)SU4, 9.x before 9.1(2)SU2, and 10.0 before 10.0(1)SU1,…
Affected: 8.5(1); 8.5(1)su1; 8.5(1)su2; 8.5(1)su3; 8.5(1)su4; 8.5(1)su5; +15 more
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