A vulnerability in the media retrieval functionality of Cisco Webex App could allow an unauthenticated, adjacent attacker to gain access to sensitive session information. This vulnerability is due to insecure transmission of requests to backend services when the app accesses embedded media, such as images. An attacker could exploit this vulnerability by sending a message with embedded media that is stored on a messaging server to a targeted user. If the attacker can observe transmitted traffic in a privileged network position, a successful exploit could allow the attacker to capture session token information from insecurely transmitted requests and possibly reuse the captured session information to take further actions as the targeted user.
Conclusion & alert: CVE-2024-20395 is rated Low Risk (38.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.08% | 0.15% | +0.07% |
| 2 | 2025-11-18 | 0.23% | 0.08% | -0.15% |
| 3 | 2025-08-25 | — | 0.23% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 3.1 | MEDIUM |
|
1.2 | 5.2 | [email protected] |
| 7.3 | 3.1 | HIGH |
|
2.1 | 5.2 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | webex_teams | 3.0.13464.0 | cpe:2.3:a:cisco:webex_teams:3.0.13464.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.13538.0 | cpe:2.3:a:cisco:webex_teams:3.0.13538.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.13588.0 | cpe:2.3:a:cisco:webex_teams:3.0.13588.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.14154.0 | cpe:2.3:a:cisco:webex_teams:3.0.14154.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.14234.0 | cpe:2.3:a:cisco:webex_teams:3.0.14234.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.14375.0 | cpe:2.3:a:cisco:webex_teams:3.0.14375.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.14741.0 | cpe:2.3:a:cisco:webex_teams:3.0.14741.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.14866.0 | cpe:2.3:a:cisco:webex_teams:3.0.14866.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15015.0 | cpe:2.3:a:cisco:webex_teams:3.0.15015.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15036.0 | cpe:2.3:a:cisco:webex_teams:3.0.15036.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15092.0 | cpe:2.3:a:cisco:webex_teams:3.0.15092.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15131.0 | cpe:2.3:a:cisco:webex_teams:3.0.15131.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15164.0 | cpe:2.3:a:cisco:webex_teams:3.0.15164.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15221.0 | cpe:2.3:a:cisco:webex_teams:3.0.15221.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15333.0 | cpe:2.3:a:cisco:webex_teams:3.0.15333.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15410.0 | cpe:2.3:a:cisco:webex_teams:3.0.15410.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15485.0 | cpe:2.3:a:cisco:webex_teams:3.0.15485.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15645.0 | cpe:2.3:a:cisco:webex_teams:3.0.15645.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.15711.0 | cpe:2.3:a:cisco:webex_teams:3.0.15711.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.16040.0 | cpe:2.3:a:cisco:webex_teams:3.0.16040.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.16269.0 | cpe:2.3:a:cisco:webex_teams:3.0.16269.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.16273.0 | cpe:2.3:a:cisco:webex_teams:3.0.16273.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 3.0.16285.0 | cpe:2.3:a:cisco:webex_teams:3.0.16285.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.0 | cpe:2.3:a:cisco:webex_teams:4.0:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.1 | cpe:2.3:a:cisco:webex_teams:4.1:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.1.57 | cpe:2.3:a:cisco:webex_teams:4.1.57:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.1.92 | cpe:2.3:a:cisco:webex_teams:4.1.92:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.2 | cpe:2.3:a:cisco:webex_teams:4.2:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.2.42 | cpe:2.3:a:cisco:webex_teams:4.2.42:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.2.75 | cpe:2.3:a:cisco:webex_teams:4.2.75:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.3 | cpe:2.3:a:cisco:webex_teams:4.3:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.4 | cpe:2.3:a:cisco:webex_teams:4.4:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.5 | cpe:2.3:a:cisco:webex_teams:4.5:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.5.224 | cpe:2.3:a:cisco:webex_teams:4.5.224:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.6 | cpe:2.3:a:cisco:webex_teams:4.6:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.6.197 | cpe:2.3:a:cisco:webex_teams:4.6.197:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.7.78 | cpe:2.3:a:cisco:webex_teams:4.7.78:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.8 | cpe:2.3:a:cisco:webex_teams:4.8:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.8.170 | cpe:2.3:a:cisco:webex_teams:4.8.170:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.9 | cpe:2.3:a:cisco:webex_teams:4.9:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.9.205 | cpe:2.3:a:cisco:webex_teams:4.9.205:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.9.252 | cpe:2.3:a:cisco:webex_teams:4.9.252:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.9.269 | cpe:2.3:a:cisco:webex_teams:4.9.269:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.10 | cpe:2.3:a:cisco:webex_teams:4.10:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.10.343 | cpe:2.3:a:cisco:webex_teams:4.10.343:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.11.211 | cpe:2.3:a:cisco:webex_teams:4.11.211:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.12 | cpe:2.3:a:cisco:webex_teams:4.12:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.12.236 | cpe:2.3:a:cisco:webex_teams:4.12.236:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.13 | cpe:2.3:a:cisco:webex_teams:4.13:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.13.200 | cpe:2.3:a:cisco:webex_teams:4.13.200:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.14 | cpe:2.3:a:cisco:webex_teams:4.14:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.15 | cpe:2.3:a:cisco:webex_teams:4.15:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.16 | cpe:2.3:a:cisco:webex_teams:4.16:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.17 | cpe:2.3:a:cisco:webex_teams:4.17:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.18 | cpe:2.3:a:cisco:webex_teams:4.18:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.19 | cpe:2.3:a:cisco:webex_teams:4.19:*:*:*:*:-:*:* |
| cisco | webex_teams | 4.20 | cpe:2.3:a:cisco:webex_teams:4.20:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.1.0.169 | cpe:2.3:a:cisco:webex_teams:42.1.0.169:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.1.0.2219 | cpe:2.3:a:cisco:webex_teams:42.1.0.2219:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.1.0.21190 | cpe:2.3:a:cisco:webex_teams:42.1.0.21190:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.2 | cpe:2.3:a:cisco:webex_teams:42.2:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.2.0.21338 | cpe:2.3:a:cisco:webex_teams:42.2.0.21338:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.2.0.21486 | cpe:2.3:a:cisco:webex_teams:42.2.0.21486:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.3 | cpe:2.3:a:cisco:webex_teams:42.3:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.3.0.21576 | cpe:2.3:a:cisco:webex_teams:42.3.0.21576:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.4.1.22032 | cpe:2.3:a:cisco:webex_teams:42.4.1.22032:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.5.0.22259 | cpe:2.3:a:cisco:webex_teams:42.5.0.22259:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.6 | cpe:2.3:a:cisco:webex_teams:42.6:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.6.0.22565 | cpe:2.3:a:cisco:webex_teams:42.6.0.22565:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.6.0.22645 | cpe:2.3:a:cisco:webex_teams:42.6.0.22645:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.7 | cpe:2.3:a:cisco:webex_teams:42.7:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.7.0.22904 | cpe:2.3:a:cisco:webex_teams:42.7.0.22904:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.7.0.23054 | cpe:2.3:a:cisco:webex_teams:42.7.0.23054:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.8 | cpe:2.3:a:cisco:webex_teams:42.8:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.8.0.23214 | cpe:2.3:a:cisco:webex_teams:42.8.0.23214:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.8.0.23281 | cpe:2.3:a:cisco:webex_teams:42.8.0.23281:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.9 | cpe:2.3:a:cisco:webex_teams:42.9:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.9.0.23494 | cpe:2.3:a:cisco:webex_teams:42.9.0.23494:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.10 | cpe:2.3:a:cisco:webex_teams:42.10:*:*:*:*:-:*:* |
| cisco | webex_teams | 42.10.0.23814 | cpe:2.3:a:cisco:webex_teams:42.10.0.23814:*:*:*:*:-:*:* |