How severe is CVE-2020-36969?

CVE-2020-36969 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36969 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36969?

CVE-2020-36969 affects Tildeslash M/monit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36969?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2020-36969 have an EU (EUVD) identifier?

Yes. CVE-2020-36969 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30881.

When was CVE-2020-36969 published?

CVE-2020-36969 was published on 2026-01-28 and last updated on 2026-06-17.

CVE-2020-36969

CVE-2020-36969 is a high-severity vulnerability in Tildeslash M/monit with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30881
Weakness: CWE-863
Affected product: Tildeslash M/monit
Published: 2026-01-28
Last modified: 2026-06-17

Description

M/Monit 3.7.4 contains a privilege escalation vulnerability that allows authenticated users to modify user permissions by manipulating the admin parameter. Attackers can send a POST request to the /api/1/admin/users/update endpoint with a crafted payload to grant administrative access to a standard user account.

Frequently asked questions

What is CVE-2020-36969?: M/Monit 3.7.4 contains a privilege escalation vulnerability that allows authenticated users to modify user permissions by manipulating the admin parameter. Attackers can send a POST request to the /api/1/admin/users/update endpoint with a crafted payload to grant administrative access to a standard user account.
How severe is CVE-2020-36969?: CVE-2020-36969 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36969 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36969?: CVE-2020-36969 affects Tildeslash M/monit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-36969 have an EU (EUVD) identifier?: Yes. CVE-2020-36969 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30881.
When was CVE-2020-36969 published?: CVE-2020-36969 was published on 2026-01-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tildeslash:m\/monit:3.7.4:*:*:*:*:*:*:*

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