VulnerabilityModified
CVE-2020-6835
An issue was discovered in Bftpd before 5.4.
CRITICAL 9.8EPSS 2.02%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.02% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-193
- Affected
- bftpd project/bftpd
- Source
- cve@mitre.org
EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://bftpd.sourceforge.net/news.html#302460Third Party Advisory
- https://fossies.org/linux/bftpd/CHANGELOGRelease Notes, Third Party Advisory
- http://bftpd.sourceforge.net/news.html#302460Third Party Advisory
- https://fossies.org/linux/bftpd/CHANGELOGRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.