Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2023-21710
CVE-2023-21710:
vulnerability analysis and mitigation
Overview
Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2023-21710) affects Exchange Server versions 2019, 2016, and 2013. The vulnerability was disclosed in Microsoft's February 2023 (Valentine's Edition) Patch Tuesday. This vulnerability requires authentication for exploitation and could potentially allow attackers to execute code on the Exchange server with SYSTEM privileges (GreyNoise Blog).
Technical details
The vulnerability has been assigned a CVSS 3.1 Base Score of 7.2 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-502 (Deserialization of Untrusted Data) (NVD).
Impact
If successfully exploited, the vulnerability allows attackers to execute code on the Exchange server with SYSTEM privileges, which provides extensive control over the affected system. According to Shadowserver, over 87,000 Exchange instances were identified as vulnerable to related Exchange vulnerabilities (GreyNoise Blog).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Affected organizations should apply the appropriate patches through Microsoft's security update guide (Microsoft Advisory).
Additional resources
Source: This report was generated using AI
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management