CVE-2012-4638
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by...
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
Exploit likelihood
What each source reports
NVD Score used
4.9
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
- Record
CVE-2012-4638- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
- Record
CVE-2012-4638- Updated
- 2026-11-02
EUVDEUVD-2012-4563 No score
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
- Record
EUVD-2012-4563- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2h33-8gg4-v626 No score
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by...
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
- Record
GHSA-2h33-8gg4-v626- 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-2012-4638 is a medium vulnerability (CVSS 4.9) in Cisco Ios, published April 23, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.