XSS in Cisco Ip Phones With Multiplatform Firmware
CVE-2024-20534
A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-s…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (18.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cisco Ip Phones With Multiplatform Firmware — versions 11.1.2, 11.2.1, 11.2.3
- Cisco Session Initiation Protocol (Sip) Software — versions 3.1(1), 3.0(1), 3.1(1)SR1
- Cisco Desk_phone_9841
- Cisco Desk_phone_9841_with_multiplatform_firmware — versions 3.1\(1\)
- Cisco Desk_phone_9851
- Cisco Desk_phone_9851_with_multiplatform_firmware — versions 3.1\(1\)
- Cisco Desk_phone_9861
- Cisco Desk_phone_9861_with_multiplatform_firmware — versions 3.1\(1\)
- Cisco Desk_phone_9871
- Cisco Desk_phone_9871_with_multiplatform_firmware — versions 3.1\(1\)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-20534?
- CVE-2024-20534 is a medium-severity vulnerability in Cisco Ip Phones With Multiplatform Firmware, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-11-06.
- How severe is CVE-2024-20534?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2024-20534 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.