CVE-2022-40741
CWE-78Published: October 31, 2022· Updated: Jun 17, 2026
Official Description
Mail SQR Expert’s specific function has insufficient filtering for special characters. An unauthenticated remote attacker can exploit this vulnerability to perform arbitrary system command and disrupt service.
Risk Analysis
Mail SQR Expert contains a vulnerability where insufficient filtering of special characters allows unauthenticated remote attackers to execute arbitrary system commands. Given the critical CVSS score of 9.8, this flaw poses a severe risk to service availability and system integrity.
There is no known public exploit for this vulnerability, and it is not listed in CISA's KEV catalog. It is remotely exploitable due to the network attack vector and low complexity.
Users should update to the latest version of Mail SQR Expert to address the input filtering deficiency.
Technical Analysis
CVE-2022-40741 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-78)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-40741 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts