Is CVE-2022-41040 actively exploited?

Yes. CVE-2022-41040 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-41040 be exploited remotely?

The attack vector of CVE-2022-41040 has not been classified yet.

What is the CVSS score of CVE-2022-41040?

CVE-2022-41040 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-41040

HIGHCISA KEVIN THE WILD

CVE-2022-41040

Published: September 30, 2022

EPSS:94.19%probability of exploitation in 30 daysPercentile:99.9th

Official Description

Microsoft Exchange Server allows for server-side request forgery. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41082 which allows for remote code execution.

NVD Source

CISA KEV Advisory

Microsoft Exchange Server Server-Side Request Forgery Vulnerability

Microsoft Exchange Server allows for server-side request forgery. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41082 which allows for remote code execution.

Added to KEV: 2022-09-30Federal patch deadline: 2022-10-21⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Microsoft Exchange Server is susceptible to a server-side request forgery (SSRF) vulnerability, known as 'ProxyNotShell,' which can be chained with CVE-2022-41082 for remote code execution. Its high EPSS score of 0.94190 and inclusion in the KEV highlight its critical nature and high likelihood of exploitation.

This vulnerability is actively exploited in the wild, often chained with CVE-2022-41082. It is remotely exploitable against Microsoft Exchange Server.

Recommended Action

Apply all available security updates and patches for Microsoft Exchange Server to address this SSRF vulnerability. Implement recommended hardening measures for Exchange deployments, including network segmentation and strict access controls.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-41040 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-41040 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.