CVE-2018-1000550
The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.58% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- sympa/sympa · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.6% since 27 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
- https://lists.debian.org/debian-lts-announce/2018/07/msg00033.htmlMailing List, Third Party Advisory
- https://sympa-community.github.io/security/2018-001.htmlPatch, Vendor Advisory
- https://usn.ubuntu.com/4442-1/
- https://www.debian.org/security/2018/dsa-4285
- https://lists.debian.org/debian-lts-announce/2018/07/msg00033.htmlMailing List, Third Party Advisory
- https://sympa-community.github.io/security/2018-001.htmlPatch, Vendor Advisory
- https://usn.ubuntu.com/4442-1/
- https://www.debian.org/security/2018/dsa-4285
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.