CVE-2020-9273

HIGH EPSS 95.3%
Published Feb 20, 20206y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Feb 20, 2020 6y ago
Last Modified Jun 17, 2026 2w ago

Description

In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
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 High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
95.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 13

VendorProductVersionRange
proftpdproftpd1.3.7any
debiandebian_linux8.0any
debiandebian_linux9.0any
debiandebian_linux10.0any
fedoraprojectfedora30any
fedoraprojectfedora31any
opensusebackports_sle15.0any
opensusebackports_sle15.0any
opensuseleap15.1any
siemenssimatic_net_cp_1545-1_firmware*any
siemenssimatic_net_cp_1545-1*any
siemenssimatic_net_cp_1543-1_firmware* <3.0
siemenssimatic_net_cp_1543-1*any

References 12

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.