CVE-2020-9273
In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 12.14% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- proftpd/proftpd · debian/debian linux · fedoraproject/fedora · opensuse/backports sle · opensuse/leap · siemens/simatic net cp 1545-1 firmware · siemens/simatic net cp 1543-1 firmware
- Source
- cve@mitre.org
EPSS 12.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdfThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/903Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00002.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
- https://security.gentoo.org/glsa/202003-35Third Party Advisory
- https://www.debian.org/security/2020/dsa-4635Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdfThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/903Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00002.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
- https://security.gentoo.org/glsa/202003-35Third Party Advisory
- https://www.debian.org/security/2020/dsa-4635Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.