Back
CVE-2020-9273In 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…
- 8.8HighCVSS base score
- 11.8%Exploitation in 30 daysEPSS · top 3.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 11.8% · top 3.9% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
References12
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/proftpd/proftpd/issues/903 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20200221 [SECURITY] [DLA 2115-1] proftpd-dfsg security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4635 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2020-76c707cff0 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-876b1f664e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2020:0273 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2115-2] proftpd-dfsg regression update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-202003-35 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20210824 Possible memory leak on getspnam / getspnam_r (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20210906 Re: Possible memory leak on getspnam / getspnam_r (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-30102 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-9273)Record last updated .