CVE-2022-37240
CWE-74Published: August 25, 2022· Updated: Jun 17, 2026
Official Description
MDaemon Technologies SecurityGateway for Email Servers 8.5.2 is vulnerable to HTTP Response splitting via the format parameter.
Risk Analysis
This vulnerability in MDaemon SecurityGateway 8.5.2 involves HTTP response splitting via the format parameter. It is rated critical as it allows for remote manipulation of web traffic without authentication.
There is no public exploit known, and it is not in the KEV list. The vulnerability is remotely exploitable.
Update to a version of MDaemon SecurityGateway newer than 8.5.2. Implement strict input validation for all web parameters.
Technical Analysis
CVE-2022-37240 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 (4)
Quick Facts
Related CVEs (CWE-74)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-37240 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts