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CVE-2012-4638

Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by...

4.9 Medium

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

0.29%Down 0.6 points since Feb 4, 2022
90%50%10%1%

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 MediumAV: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

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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.

References

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