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Vulnerability record · CVE-2024-20445 · published 6 November 2024

CVE-2024-20445: Cisco desk phone 9841 firmware information exposure vulnerability

Cisco · Desk Phone 9841 Firmware

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to improper storage of sensitive information within the web UI of Session Initiation Protocol (SIP)-based phone loads. An attacker could exploit this vulnerability by browsing to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information, including incoming and outgoing call records. Note: Web Access is disabled by default.

5.3 CVSS 3.1 Medium EPSS 0.44% · top 63.2% CWE-200 · Information exposure
5.3CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
18Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to improper storage of sensitive information within the web UI of Session Initiation Protocol (SIP)-based phone loads. An attacker could exploit this vulnerability by browsing to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information, including incoming and outgoing call records. Note: Web Access is disabled by default.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

18 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-infodisc-sbyqQVbG Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-3111Cisco ip conference phone 7832 firmware improper input validation vulnerabilityA vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely e…EPSS 3.1%7.5CVE-2025-20350Cisco desk phone 9871 firmware stack-based buffer overflow vulnerabilityA vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Soft…EPSS 0.48%7.5CVE-2025-20336Cisco desk phone 9841 firmware information exposure vulnerabilityA vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could a…EPSS 0.39%7.5CVE-2019-1922Cisco ip conference phone 7832 firmware null pointer dereference vulnerabilityA vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to caus…EPSS 1.3%7.5CVE-2019-1635Cisco ip conference phone 7832 firmware vulnerabilityA vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could…EPSS 2.0%6.5CVE-2021-1379Cisco ip conference phone 7832 firmware classic buffer overflow vulnerabilityMultiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series…EPSS 0.33%6.5CVE-2019-1684Cisco ip phone 8800 firmware memory buffer overflow vulnerabilityA vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP Phone 7800 and 8800 Series co…EPSS 0.64%6.1CVE-2025-20351Cisco desk phone 9871 firmware cross-site scripting vulnerabilityA vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Soft…EPSS 0.29%

Source: NIST National Vulnerability Database (record CVE-2024-20445), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.