CVE-2005-2359 json
The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key inst…
published 2005-08-01 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2360
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.
Patch / fix
- secunia.com/advisories/16244/ advisory
Exploit prediction
0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
References
-
secunia.com
/advisories/16244/
third-party-advisory, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/21551
vdb-entry
-
securityfocus.com
/bid/14394
vdb-entry
-
securitytracker.com
/id?1014586
vdb-entry
Sources
- CVE List CVE-2005-2359
- NVD CVE-2005-2359
Fencer Vulns 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.