CVE-2020-25887

Name: CVE-2020-25887
Creator: NVD / NIST
Published: 2023-08-22T19:16:19.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2020-25887 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Buffer overflow in mg_resolve_from_hosts_file in Mongoose 6.18, when reading from a crafted hosts file.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

Buffer overflow in mg_resolve_from_hosts_file in Mongoose 6.18, when reading from a crafted hosts file.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Cesanta	Mongoose	6.18

References

https://github.com/cesanta/mongoose/issues/1140Exploit, Issue Tracking
https://github.com/cesanta/mongoose/issues/1140Exploit, Issue Tracking

Timeline

Published: Aug 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25887?

Buffer overflow in mg_resolve_from_hosts_file in Mongoose 6.18, when reading from a crafted hosts file.

How severe is CVE-2020-25887?

CVE-2020-25887 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25887?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25887?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST