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CVE-2012-0386

HIGH · CVSS 7.8EPSS 3.1%EU EUVD

The SSHv2 implementation in Cisco IOS 12.2, 12.4, 15.0, 15.1, and 15.2 and IOS XE 2.3.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S allows remote attackers to cause a denial of service (device reload) via a crafted username in a reverse SSH login attempt, aka Bug ID CSCtr49064.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-310
EPSS score
3.1% (87th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-0422)
Published
March 29, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0422 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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