CVE-2021-31201
Microsoft Windows Server 2008 r2
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NSummary
CVE-2021-31201 is a medium-severity an unspecified weakness vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 5.2 (Medium).
Operationally, ranked in the top 16% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
Microsoft Enhanced Cryptographic Provider contains an elevation of privilege vulnerability tracked as CVE-2021-31201. The flaw affects the cryptographic provider component in Microsoft Windows environments and carries a CVSS 3.1 score of 5.2 with a vector indicating local attack vector, low attack complexity, low privileges required, no user interaction, changed scope, and limited impacts to confidentiality and integrity.
A local attacker with low privileges can exploit the issue to obtain elevated rights on the affected system, resulting in partial disclosure or modification of information outside the original security scope. The vulnerability requires no user interaction and can be triggered through standard local access.
Microsoft has published guidance for the issue in its security advisory, and the vulnerability appears in the CISA catalog of known exploited vulnerabilities, confirming observed in-the-wild exploitation.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18114
Vulnerability Data
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
- CWE(s)
- KEV Date Added
- 03 November 2021
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Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.