HOMEVULNERABILITIESCVE-2022-37240
CRITICAL

CVE-2022-37240

CWE-74Published: August 25, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

MDaemon Technologies SecurityGateway for Email Servers 8.5.2 is vulnerable to HTTP Response splitting via the format parameter.

NVD Source

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.

Recommended Action

Update to a version of MDaemon SecurityGateway newer than 8.5.2. Implement strict input validation for all web parameters.

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-2022-37240 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

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

altn1 product(s)
security gateway for email servers
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2022-37240
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-74
CISA KEVNo
Affected1 vendor(s)
PublishedAug 25, 2022

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.