CVE-2024-20395
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 12% of all known CVEs.
References
Related Vulnerabilities
Other CWE-523 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-28708 | Medium | 4.3 | 1.8% | - | Fix |
| CVE-2021-38460 | High | 7.5 | 1.8% | - | - |
| CVE-2020-25175 | Critical | 9.8 | 1.1% | - | - |
| CVE-2022-31805 | High | 7.5 | 1.0% | - | Fix |
| CVE-2024-1102 | Medium | 6.5 | 0.8% | - | Fix |
| CVE-2017-16731 | High | 8.8 | 0.7% | - | - |
Common questions
How do I fix CVE-2024-20395?
No published fix for CVE-2024-20395 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2024-20395 being actively exploited?
Not that we know of. CVE-2024-20395 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.22% is the estimated probability that it will be exploited in the next 30 days. That is higher than 12% of all scored CVEs.
How severe is CVE-2024-20395?
CVE-2024-20395 has a CVSS v3 base score of 6.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-31.