Cyber Resilience

CVE-2022-22039

High

Published: 12 July 2022

Published
12 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0480 89.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-22039 is a high-severity an unspecified weakness vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 10.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2022-22039 is a remote code execution vulnerability in the Windows Network File System component. It affects Windows systems that have NFS enabled and carries a CVSS 3.1 score of 7.5 with the vector string AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

An attacker with low privileges and network access can exploit the flaw, though successful exploitation requires high attack complexity. If successful, the attacker can execute arbitrary code with the ability to compromise confidentiality, integrity, and availability on the target system.

Microsoft's security advisory at the referenced URL describes available patches and mitigation guidance for the vulnerability. The associated EPSS score has remained low, with a current value of 0.0480 and a peak of 0.0512.

EU & UK References

Vulnerability details

Windows Network File System Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
20h2, all versions
microsoft
windows server 2019
all versions
microsoft
windows server 2022
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References