How severe is CVE-2020-29666?

CVE-2020-29666 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-29666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29666?

CVE-2020-29666 affects Lanatmservice M3 Atm Monitoring System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-29666 published?

CVE-2020-29666 was published on 2020-12-10 and last updated on 2026-06-17.

CVE-2020-29666

CVE-2020-29666 is a medium-severity vulnerability in Lanatmservice M3 Atm Monitoring System with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lanatmservice M3 Atm Monitoring System
Published: 2020-12-10
Last modified: 2026-06-17

Description

In Lan ATMService M3 ATM Monitoring System 6.1.0, due to a directory-listing vulnerability, a remote attacker can view log files, located in /websocket/logs/, that contain a user's cookie values and the predefined developer's cookie value.

Frequently asked questions

What is CVE-2020-29666?: In Lan ATMService M3 ATM Monitoring System 6.1.0, due to a directory-listing vulnerability, a remote attacker can view log files, located in /websocket/logs/, that contain a user's cookie values and the predefined developer's cookie value.
How severe is CVE-2020-29666?: CVE-2020-29666 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-29666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29666?: CVE-2020-29666 affects Lanatmservice M3 Atm Monitoring System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29666 published?: CVE-2020-29666 was published on 2020-12-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lanatmservice:m3_atm_monitoring_system:6.1.0:*:*:*:*:*:*:*

More vulnerabilities in Lanatmservice M3 Atm Monitoring System

CVE-2020-29667 — Critical (CVSS 9.8): In Lan ATMService M3 ATM Monitoring System 6.1.0, a remote attacker able to use a default cookie value, such as…

All CVEs affecting Lanatmservice M3 Atm Monitoring System →