How severe is CVE-2024-42392?

CVE-2024-42392 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-42392 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42392?

CVE-2024-42392 affects Cesanta Mongoose. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42392?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-42392 have an EU (EUVD) identifier?

Yes. CVE-2024-42392 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39596.

When was CVE-2024-42392 published?

CVE-2024-42392 was published on 2024-11-18 and last updated on 2026-06-17.

CVE-2024-42392

CVE-2024-42392 is a medium-severity vulnerability in Cesanta Mongoose with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-140.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39596
Weakness: CWE-140
Affected product: Cesanta Mongoose
Published: 2024-11-18
Last modified: 2026-06-17

Description

Improper Neutralization of Delimiters vulnerability in Cesanta Mongoose Web Server v7.14 allows to trigger an infinite loop bug if the input string contains unexpected characters.

Frequently asked questions

What is CVE-2024-42392?: Improper Neutralization of Delimiters vulnerability in Cesanta Mongoose Web Server v7.14 allows to trigger an infinite loop bug if the input string contains unexpected characters.
How severe is CVE-2024-42392?: CVE-2024-42392 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-42392 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42392?: CVE-2024-42392 affects Cesanta Mongoose. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42392?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42392 have an EU (EUVD) identifier?: Yes. CVE-2024-42392 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39596.
When was CVE-2024-42392 published?: CVE-2024-42392 was published on 2024-11-18 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-42392

Affected products (1)

cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*

More vulnerabilities in Cesanta Mongoose

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CVE-2018-20356 — Critical (CVSS 9.8): An invalid read of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in…
CVE-2018-20355 — Critical (CVSS 9.8): An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in…

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Other CWE-140 vulnerabilities

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CVE-2026-33456 — High (CVSS 7.6): Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with…
CVE-2023-6157 — High (CVSS 7.6): Improper neutralization of livestatus command delimiters in ajax_search in Checkmk <= 2.0.0p39, < 2.1.0p37, and <…
CVE-2023-6156 — High (CVSS 7.6): Improper neutralization of livestatus command delimiters in the availability timeline in Checkmk <= 2.0.0p39, <…

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