CVE-2020-24055

Name: CVE-2020-24055
Creator: NVD / NIST
Published: 2020-08-21T15:15:13.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.62%

Last modified Jun 17, 2026

CVE-2020-24055 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Verint 5620PTZ Verint_FW_0_42 and Verint 4320 V4320_FW_0_23, and V4320_FW_0_31 units feature an autodiscovery service implemented in the binary executable '/usr/sbin/DM' that listens on port TCP 6666. The service is vulnerable to a stack buffer overflow. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

Verint 5620PTZ Verint_FW_0_42 and Verint 4320 V4320_FW_0_23, and V4320_FW_0_31 units feature an autodiscovery service implemented in the binary executable '/usr/sbin/DM' that listens on port TCP 6666. The service is vulnerable to a stack buffer overflow. It is worth noting that this service does not require any authentication.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.62%

73.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Verint	5620ptz Firmware	verint_fw_0_42
Verint	4320 Firmware	v4320_fw_0_23
Verint	4320 Firmware	v4320_fw_0_31

References

https://ioac.tv/2Nbc40hExploit, Third Party Advisory
https://ioactive.com/verint-ptz-cameras-multiple-vulnerabilities/Third Party Advisory
https://ioac.tv/2Nbc40hExploit, Third Party Advisory
https://ioactive.com/verint-ptz-cameras-multiple-vulnerabilities/Third Party Advisory

Timeline

Published: Aug 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24055?

How severe is CVE-2020-24055?

CVE-2020-24055 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24055?

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-2020-24055?

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

Scan your code now

Source: NVD / NIST