CVE-2009-3111
The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length…
- 5.0MediumCVSS base score
- 11.2%Exploitation in 30 daysEPSS · top 4.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The rad_decode function in FreeRADIUS before 1.1.8 allows remote attackers to cause a denial of service (radiusd crash) via zero-length Tunnel-Password attributes, as demonstrated by a certain module in VulnDisco Pack Professional 7.6 through 8.11. NOTE: this is a regression error related to CVE-2003-0967.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- FreeRadius < 1.1.8 - Zero-Length Tunnel-Password Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 9642dos, multiplepublished 11 Sept 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 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 | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 11.2% · top 4.0% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
13
- 36263 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- SUSE-SR:2009:018 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://github.com/alandekok/freeradius-server/commit/860cad9e02ba344edb0038419e415fe05a9a01f4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [freeradius-users] 20090909 Version 1.1.8 has been released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 36509 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:9919 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://intevydis.com/vd-list.shtml (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2009-3184 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- SUSE-SR:2009:016 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- APPLE-SA-2009-11-09-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- [oss-security] 20090909 CVE Request -- FreeRADIUS 1.1.8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2009:1451 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://support.apple.com/kb/HT3937 (opens in a new tab)x_refsource_CONFIRMx_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-2009-3094 (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-2009-3111)Record last updated .