CVE-2022-33633
Published: 12 July 2022
Summary
CVE-2022-33633 is a high-severity an unspecified weakness vulnerability in Microsoft Skype For Business. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 9.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-33633 is a remote code execution vulnerability affecting Skype for Business and Lync. It carries a CVSS 3.1 base score of 7.2 with the vector string AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, indicating that successful exploitation can fully compromise confidentiality, integrity, and availability on the affected systems.
An attacker with high privileges and network access can exploit the flaw without user interaction to execute arbitrary code on the target server. Because the required privileges are high, the issue is most relevant to authenticated administrative or service accounts that can reach the vulnerable components over the network.
Microsoft's Security Response Center advisory at the referenced URL describes the available patches and mitigation guidance for supported versions of the affected products. The associated EPSS scores have remained low and stable, with a current value of 0.0600 and a peak of 0.0630.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-36676
Vulnerability details
Skype for Business and Lync Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.