VULNERABILITY INTELLIGENCE
CVE-2012-0339
CVSS score5 MEDIUM
EPSS probability1.02%
CISA KEVNot currently listed
Published2012-05-02
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
Description
Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774.
Weakness classification
- CWE-20: Improper Input Validation