CVE-2012-3893
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause...
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
Exploit likelihood
What each source reports
NVD Score used
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
- Record
CVE-2012-3893- CVSS 2.0
- 6.3 Medium
AV:N/AC:M/Au:S/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
- Record
CVE-2012-3893- Updated
- 2026-11-02
EUVDEUVD-2012-3837 No score
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
- Record
EUVD-2012-3837- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wwff-vvq2-6hmg No score
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause...
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
- Record
GHSA-wwff-vvq2-6hmg- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-3893 is a medium vulnerability (CVSS 6.3) in Cisco Ios, published September 16, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. No source names a fixed version.