CVE-2009-0628
HIGH · CVSS 9.0EPSS 1.9%EU EUVD
Memory leak in the SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (memory consumption and device crash) by disconnecting an SSL session in an abnormal manner, leading to a Transmission Control Block (TCB) leak.
Key facts
- CVSS score
- 9.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:C- Weakness (CWE)
- CWE-200
- EPSS score
- 1.9% (80th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0631)
- Published
- March 27, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0631 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
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and 17 more…
References
- http://secunia.com/advisories/34438(Vendor Advisory)
- http://securitytracker.com/id?1021896
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90424.shtml(Vendor Advisory)
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml(Vendor Advisory)
- http://www.securityfocus.com/bid/34239
- http://www.vupen.com/english/advisories/2009/0851(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49427
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12092
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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