What is CVE-2020-7450?

CVE-2020-7450 is a critical-severity vulnerability in Freebsd, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-18.

How severe is CVE-2020-7450?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-7450 known to be exploited?

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

Buffer overflow in Freebsd

CVE-2020-7450

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.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Freebsd — versions 11.3, 12.0, 12.1
N/a Freebsd — versions 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

secteam@freebsd.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7450?: CVE-2020-7450 is a critical-severity vulnerability in Freebsd, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-18.
How severe is CVE-2020-7450?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-7450 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.