Webex
Vendor:
First CVE: Dec 18, 2009 · Active for 16 years
10
Total CVEs
More Total CVEs than 88% of tracked products
2.5
Avg CVEs / Year
Higher CVE frequency than 74% of tracked products
8.1
Avg CVSS
Higher Avg CVSS than 70% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Webex over time
Volume of CVEsAvg CVSS Base Score
First CVE
Dec 18, 2009
16 years ago
Most Recent CVE
Mar 4, 2026
143 days ago
CVE Severity & Scoring
Webex10 CVEs
30%
70%
All CVEs352,427 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network2 (20.0%)
Unknown8 (80.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low2 (20.0%)
High0 (0.0%)
Unknown8 (80.0%)
User Interaction
None0 (0.0%)
Unknown8 (80.0%)
Required2 (20.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None2 (20.0%)
Unknown8 (80.0%)
Top CVEs
Signals from CVEs in this product scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2017-3823HIGH An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Container before 106 on Mozilla Firefox, the GpcContainer Class A | Feb 1, 2017 | 8.8 | 48 | NO | YES |
CVE-2009-2879HIGH Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x befor | Dec 18, 2009 | 9.3 | 26 | NO | NO |
CVE-2009-2880HIGH Buffer overflow in atrpui.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for Windows, 26.x before 26.49.35 for Mac OS X and Linux, and 27.x | Dec 18, 2009 | 9.3 | 25 | NO | NO |
CVE-2009-2878HIGH Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x befor | Dec 18, 2009 | 9.3 | 25 | NO | NO |
CVE-2009-2877HIGH Stack-based buffer overflow in ataudio.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x before 26.49.35 for M | Dec 18, 2009 | 9.3 | 25 | NO | NO |
CVE-2009-2876HIGH Heap-based buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 (aka T26SP49EP32) for Windows, 27.x before 27.10.x (aka T27SP10) for Windows, 26.x befor | Dec 18, 2009 | 9.3 | 25 | NO | NO |
CVE-2009-2875HIGH Buffer overflow in atas32.dll in the Cisco WebEx WRF Player 26.x before 26.49.32 for Windows, 27.x before 27.10.x for Windows, 26.x before 26.49.35 for Mac OS X and Linux, and 27.x | Dec 18, 2009 | 9.3 | 25 | NO | NO |
CVE-2026-20149MEDIUM A vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability, and no | Mar 4, 2026 | 6.1 | 21 | NO | NO |
CVE-2012-6399MEDIUM Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allo | May 27, 2013 | 5.8 | 21 | NO | NO |
CVE-2013-3425MEDIUM The Meeting Center component in Cisco WebEx 11 generates different error messages for invalid file-access attempts depending on whether a file exists, which allows remote authentic | Jul 31, 2013 | 4.0 | 14 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (10 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
1 CVE
10.0% of CVEs· 97th percentile
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (10 CVEs).
Media Mentions
Signals from CVEs in this product scope (10 CVEs).
Top CNAs Publishing CVEs For Webex
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 4.1 | 1 | 5.8 | 0.5% | 0 | 0 |
| 27.00 | 6 | 9.3 | 5.1% | 0 | 0 |
| 26.00 | 6 | 9.3 | 5.1% | 0 | 0 |
| 11.0 | 1 | 4.0 | 1.1% | 0 | 0 |