What is CVE-2020-25887?

CVE-2020-25887 is a high-severity vulnerability in Cesanta Mongoose, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-08-22.

How severe is CVE-2020-25887?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-25887 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Cesanta Mongoose

CVE-2020-25887

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

Vulnerability class: Buffer Overflow

EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Cesanta Mongoose — versions 6.18
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2020-25887?: CVE-2020-25887 is a high-severity vulnerability in Cesanta Mongoose, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-08-22.
How severe is CVE-2020-25887?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-25887 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.