CVE record · CVE-2025-20336

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability

CVSS 5.3 MediumEPSS 0.0039 · 33rd percentile

Published by the CVE Program (CNA: cisco) at 3 Sept 2025, 17:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Cisco	Cisco Session Initiation Protocol (SIP) Software	affected 12.1(1)SR1 affected 11.5(1) affected 10.3(2) affected 10.2(2) affected 10.3(1) affected 10.3(1)SR4 affected 11.0(1) affected 10.4(1)SR2 3rd Party affected 11.7(1) affected 12.1(1) affected 11.0(0.7) MPP affected 9.3(4) 3rd Party and 60 more Other versions: unknown

Identifiers: CVE-2025-20336
CNA: cisco
Weakness (CWE): CWE-200
Tags: Cisco Session Initiation Protocol (SIP) Software
Information disclosure
Published: 3 Sept 2025
Updated: 3 Sept 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	CNA (cisco)

CISA KEV Not listed.
EPSS 0.0039, the 33rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 3 Sept 2025. New records show when each source confirmed them.

Sources

References from the CNA

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-write-g3kcC5Df

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.