CVE-2023-20079

Name: CVE-2023-20079
Creator: NVD / NIST
Published: 2023-03-03T16:15:10.38+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 10.31%

Last modified Jun 17, 2026

CVE-2023-20079 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.. EPSS estimates a 10.31% chance of exploitation in the next 30 days.

Description

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

10.31%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Ip Phone 6871 Firmware	< 11.3.7sr1
Cisco	Ip Phone 6861 Firmware	< 11.3.7sr1
Cisco	Ip Phone 6851 Firmware	< 11.3.7sr1
Cisco	Ip Phone 6841 Firmware	< 11.3.7sr1
Cisco	Ip Phone 6825 Firmware	< 11.3.7sr1
Cisco	Ip Phone 7861 Firmware	< 11.3.7sr1
Cisco	Ip Phone 7841 Firmware	< 11.3.7sr1
Cisco	Ip Phone 7832 Firmware	< 11.3.7sr1
Cisco	Ip Phone 7821 Firmware	< 11.3.7sr1
Cisco	Ip Phone 7811 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8865 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8861 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8851 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8845 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8841 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8832 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8811 Firmware	< 11.3.7sr1
Cisco	Ip Phone 8831 Firmware	< 11.3.7sr1
Cisco	Unified Ip Phone 7945g Firmware	< 11.3.7sr1
Cisco	Unified Ip Phone 7965g Firmware	< 11.3.7sr1
Cisco	Unified Ip Phone 7975g Firmware	< 11.3.7sr1

References

Timeline

Published: Mar 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20079?

How severe is CVE-2023-20079?

CVE-2023-20079 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 10.31% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20079?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20079?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST