CVE-2009-0626

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of...

7.8 High

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

Exploit likelihood

1.97%Up 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

Record: CVE-2009-0626
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

Record: CVE-2009-0626
Updated: 2026-11-02

EUVDEUVD-2009-0629 No score

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

Record: EUVD-2009-0629
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mh9q-4hwx-prrv No score

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of...

The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

Record: GHSA-mh9q-4hwx-prrv
Updated: 2026-11-02

Affected products

cisco ios

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-0626 is a high vulnerability (CVSS 7.8) in Cisco Ios, published March 27, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. No source names a fixed version.

References

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