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CVE-2020-28622

29
FAUCET Score

CVE-2020-28622 is a critical code execution vulnerability affecting the Nef polygon-parsing functionality within CGAL libcgal and Debian's computational_geometry_algorithms_library. This flaw allows an attacker to trigger an out-of-bounds read and type confusion by providing a specially crafted malformed file, potentially leading to arbitrary code execution. With a CVSS score of 8.8 (High), it can be exploited remotely with low attack complexity, requiring user interaction, and has high impacts on confidentiality, integrity, and availability. While there are no known public exploits or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with over 10 mentions, indicating awareness. It is not currently listed on the CISA KEV catalog as actively exploited.

Impacted Technologies

VendorProductVersion(s)CPE
5.1.1CPE matchmatch criteria
cpe:2.3:a:cgal:computational_geometry_algorithms_library:5.1.1:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0227 is in the 80th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.debian.org / debian-lts-announce/2022/12/msg00011.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202305-34
talosintelligence.com / vulnerability_reports/TALOS-2020-1225
ExploitThird Party Advisory