Skip to main content
VulnerabilityPublished Updated

CVE-2024-42391: Cesanta Mongoose Web Server · Use of Out-of-range Pointer Offset Vulnerability

Source GCVE Database

0
Authoritative record:CVE-2024-42391· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Nov 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
CesantaMongoose Web ServerAffected
  • <=7.14
Fixed in–
GitHubMongoose Web Serverpkg:github/Mongoose Web ServerOther threatsAffected
  • <=7.14
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until an official fix is available, monitor vendor communications for updates. No specific mitigations or workarounds are provided in the available data.

Description

CVE-2024-42391 is a medium severity vulnerability in Cesanta Mongoose Web Server v7.14 where an attacker can send an unexpected TLS packet causing the application to read unintended heap memory due to an out-of-range pointer offset.

References

Community reviews

Loading reviews…