CVE-2011-5033 json
Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall (CSF) before 5.43, when running on a DirectAdmin server, allows lo…
published 2011-12-29 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4938
- cvss
- 4.4
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 1
- Exploit-DB
Summary
Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall (CSF) before 5.43, when running on a DirectAdmin server, allows local users to cause a denial of service (crash) via a long string in an admin.list file.
Timeline
- First public exploit (EDB-18225)
- Published
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-18225 CSF Firewall - Buffer Overflow (PoC) dos, 2011-12-09
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
Sources
- CVE List CVE-2011-5033
- NVD CVE-2011-5033
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.