CVE-2024-20395

highpriority · track · 29EPSS 0.002 · 12 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.22% (12th) EPSS
CVSS 7.3 · high
Is it mine?
194 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.3

v3.17.3highCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.1 · impact 5.2
v3.16.4mediumAV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · ENISA EU
v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · psirt@cisco.com USexploitability 1.2 · impact 5.2
v3.16.7mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · Cisco PSIRT US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-523USCWE-523US
05

affected products (194)

Products and version ranges known to be affected.

showing 20 of 194
06

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2024-1668Cisco WebEx: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2024-07-17csaf · cert_bundDE

    Ein entfernter oder ein angrenzender Angreifer kann mehrere Schwachstellen in Cisco WebEx ausnutzen, um Informationen offenzulegen.

  • cisco-sa-webex-app-ZjNm8X8jCisco Webex App Vulnerabilities2024-07-17csaf · cisco_csafUS

    Multiple vulnerabilities in Cisco Webex App could allow an unauthenticated attacker to gain access to sensitive credential information. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. The updates are part of the Cisco Webex service, and no customer action is necessary to get these software updates. There are no workarounds that address these vulnerabilities.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisco_csafNVDCVE.orgMITRE
published 2024-07-17modified 2026-06-17
09

references (4)

External citations — patches, advisories, analysis.

scry

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