CVE-2005-1021 json
Memory leak in Secure Shell (SSH) in Cisco IOS 12.0 through 12.3, when authenticating against a TACACS+ server, allows remote attackers to…
published 2005-04-09 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1024
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
Memory leak in Secure Shell (SSH) in Cisco IOS 12.0 through 12.3, when authenticating against a TACACS+ server, allows remote attackers to cause a denial of service (memory consumption) via an incorrect username or password.
Patch / fix
Exploit prediction
1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
securitytracker.com
/alerts/2005/Apr/1013655.html
vdb-entry, patch
-
secunia.com
/advisories/14854
third-party-advisory, patch, vendor-advisory
-
cisco.com
/warp/public/707/cisco-sa-20050406-ssh.shtml
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/19991
vdb-entry
-
osvdb.org
/15303
vdb-entry
-
securityfocus.com
/bid/13042
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5687
vdb-entry, signature
Sources
- CVE List CVE-2005-1021
- NVD CVE-2005-1021
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.