CVE-2021-45008
CVE-2021-45008 is a high-severity vulnerability in Plesk 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-281.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-281
- Affected product: Plesk
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is 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
- How severe is CVE-2021-45008?
- CVE-2021-45008 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-2021-45008 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45008?
- CVE-2021-45008 affects Plesk. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45008?
- 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.
- When was CVE-2021-45008 published?
- CVE-2021-45008 was published on 2022-02-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:plesk:plesk:18.0.37:*:*:*:*:*:*:*
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