01 Record
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.83% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 78.5% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2005-04-09 04:00Z21 YR AGO
- Last updated
- 2024-08-07 21:35Z2 YR AGO
- Reserved
- 2005-04-10
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 626c2cb0d4c8f5958024d746507d73b7640d26c780b25b572f2f2f92695b5744
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securitytracker.com1013655http://www.securitytracker.com/alerts/2005/Apr/1013655.html
- exchange.xforce.ibmcloud.comcisco-ios-memory-leak-dos(19991)https://exchange.xforce.ibmcloud.com/vulnerabilities/19991
- www.osvdb.org15303http://www.osvdb.org/15303
- www.securityfocus.com13042http://www.securityfocus.com/bid/13042
- secunia.com14854http://secunia.com/advisories/14854
- www.cisco.com20050406 Vulnerabilities in Cisco IOS Secure Shell Serverhttp://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtml
- oval.cisecurity.orgoval:org.mitre.oval:def:5687https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5687