Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-9273

34
FAUCET Score

CVE-2020-9273 is a high-severity use-after-free vulnerability in ProFTPD version 1.3.7, affecting various Linux distributions including Debian, Fedora, and openSUSE. An authenticated attacker can trigger this by interrupting the data transfer channel, potentially leading to remote code execution. With a CVSS score of 8.8, it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While there are no known public exploits or active exploitation, the vulnerability has garnered community discussion, indicating potential interest in exploit development.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.7CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:1.3.7:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
12.04%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1205 is in the 95th percentile among its peer group of 17,844 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00002.html
Mailing ListThird Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-679335.pdf
Third Party Advisory
github.com / proftpd/proftpd/blob/master/RELEASE_NOTES
Release NotesThird Party Advisory
github.com / proftpd/proftpd/issues/903
Third Party Advisory
lists.debian.org / debian-lts-announce/2020/02/msg00022.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/03/msg00002.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN
security.gentoo.org / glsa/202003-35
Third Party Advisory
debian.org / security/2020/dsa-4635
Third Party Advisory
openwall.com / lists/oss-security/2021/08/25/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2021/09/06/2
Mailing ListThird Party Advisory