CVE-2012-0339 — Improper Input Validation in Cisco IOS

CWE-20 — Improper Input Validation3 documents3 sources
Severity
5.0MEDIUMNVD
EPSS
0.2%
top 52.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS
Timeline
PublishedMay 2
Latest updateMay 4

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.

CVSS vector

AV:N/AC:L/C:N/I:P/A:NExploitability: 10.0 | Impact: 2.9

Affected Packages1 packages

▶NVDcisco/ios4 versions+3

🔴Vulnerability Details

2
GHSA
GHSA-48mq-ghr6-3cc9: Cisco IOS 12↗2022-05-04
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CVEList
CVE-2012-0339: Cisco IOS 12↗2012-05-02
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CVE-2012-0339 — Improper Input Validation in Cisco IOS | cvebase