Synced 16 Jun 2026 15:24 UTC Account
← All products

CVE-2015-6280

HIGH severity · CVSS 9.3 · Improper authentication
9.3CVSS HIGH

Summary

The SSHv2 functionality in Cisco IOS 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.6E before 3.6.3E, 3.7E before 3.7.1E, 3.10S before 3.10.6S, 3.11S before 3.11.4S, 3.12S before 3.12.3S, 3.13S before 3.13.3S, and 3.14S before 3.14.1S does not properly implement RSA authentication, which allows remote attackers to obtain login access by leveraging knowledge of a username and the associated public key, aka Bug ID CSCus73013.

Impact & exploitability

Attack vectorNetwork
Attack complexity
Privileges required
User interaction
Confidentiality impact
Integrity impact
Availability impact
Exploit probability (EPSS)4%

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products we track (2)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.