CVE-2012-0386
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.08% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- cisco/ios · cisco/ios xe
- Source
- psirt@cisco.com
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://osvdb.org/80695
- http://secunia.com/advisories/48609
- http://secunia.com/advisories/48641
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-sshVendor Advisory
- http://www.securityfocus.com/bid/52752
- http://www.securitytracker.com/id?1026866
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74404
- http://osvdb.org/80695
- http://secunia.com/advisories/48609
- http://secunia.com/advisories/48641
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-sshVendor Advisory
- http://www.securityfocus.com/bid/52752
- http://www.securitytracker.com/id?1026866
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74404
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.