CVE-2020-29667

Name: CVE-2020-29667
Creator: NVD / NIST
Published: 2020-12-10T09:15:12.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.19%

Last modified Jun 17, 2026

CVE-2020-29667 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Lan ATMService M3 ATM Monitoring System 6.1.0, a remote attacker able to use a default cookie value, such as PHPSESSID=LANIT-IMANAGER, can achieve control over the system because of Insufficient Session Expiration.. EPSS estimates a 3.19% chance of exploitation in the next 30 days.

Description

In Lan ATMService M3 ATM Monitoring System 6.1.0, a remote attacker able to use a default cookie value, such as PHPSESSID=LANIT-IMANAGER, can achieve control over the system because of Insufficient Session Expiration.

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

3.19%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-613

Affected Software

Vendor	Product	Versions
Lanatmservice	M3 Atm Monitoring System	6.1.0

References

http://lanatmservice.ru/Vendor Advisory
https://github.com/jet-pentest/CVE-2020-29667Third Party Advisory
http://lanatmservice.ru/Vendor Advisory
https://github.com/jet-pentest/CVE-2020-29667Third Party Advisory

Timeline

Published: Dec 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29667?

How severe is CVE-2020-29667?

CVE-2020-29667 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.19% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29667?

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-2020-29667?

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

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Source: NVD / NIST