VulnerabilityModified
CVE-2005-1021
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.
HIGH 7.1EPSS 1.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.83% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/14854Patch, Vendor Advisory
- http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtmlVendor Advisory
- http://www.osvdb.org/15303
- http://www.securityfocus.com/bid/13042
- http://www.securitytracker.com/alerts/2005/Apr/1013655.htmlPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19991
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5687
- http://secunia.com/advisories/14854Patch, Vendor Advisory
- http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtmlVendor Advisory
- http://www.osvdb.org/15303
- http://www.securityfocus.com/bid/13042
- http://www.securitytracker.com/alerts/2005/Apr/1013655.htmlPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19991
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5687
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.