CVE-2020-7450

Name: CVE-2020-7450
Creator: NVD / NIST
Published: 2020-02-18T16:15:11.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.43%

Last modified Jun 17, 2026

CVE-2020-7450 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

Description

In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.43%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Freebsd	Freebsd	11.3
Freebsd	Freebsd	12.0
Freebsd	Freebsd	12.1

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.ascPatch, Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.ascPatch, Vendor Advisory

Timeline

Published: Feb 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7450?

How severe is CVE-2020-7450?

CVE-2020-7450 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7450?

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-2020-7450?

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

Scan your code now

Source: NVD / NIST