What is CVE-2021-45008?

CVE-2021-45008 is a high-severity vulnerability in Plesk, classified under Improper Preservation of Permissions. CVSS score: 8.8/10. Published 2022-02-21.

How severe is CVE-2021-45008?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-45008 known to be exploited?

10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Plesk

CVE-2021-45008

Plesk CMS 18.0.37 is affected by an insecure permissions vulnerability that allows privilege Escalation from user to admin rights. OTE: the vendor states that this is only a site-specific problem on websites of one or more Plesk users

EPSS: 0.020 (78.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Plesk — versions 18.0.37
N/a — versions n/a

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-45008?: CVE-2021-45008 is a high-severity vulnerability in Plesk, classified under Improper Preservation of Permissions. CVSS score: 8.8/10. Published 2022-02-21.
How severe is CVE-2021-45008?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-45008 known to be exploited?: 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.