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Vulnerability record · CVE-2020-24055 · published 21 August 2020

CVE-2020-24055: Verint 5620ptz firmware out-of-bounds write vulnerability

Verint · 5620ptz Firmware

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.

9.8 CVSS 3.1 Critical EPSS 1.6% · top 24.8% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 7.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
https://ioac.tv/2Nbc40h ExploitThird Party Advisory
https://ioactive.com/verint-ptz-cameras-multiple-vulnerabilities/ Third Party Advisory
https://ioac.tv/2Nbc40h ExploitThird Party Advisory
https://ioactive.com/verint-ptz-cameras-multiple-vulnerabilities/ Third Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2020-24055), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.