CVE-2011-3273 — Missing Release of Memory after Effective Lifetime in Cisco IOS

CWE-3994 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 37.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS
Timeline
PublishedOct 3
Latest updateMay 17

Description

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

CVSS vector

AV:N/AC:L/C:N/I:N/A:CExploitability: 10.0 | Impact: 6.9

Affected Packages1 packages

â–¶NVDcisco/ios11 versions+10

🔴Vulnerability Details

2
GHSA
GHSA-c35x-v8hf-66rw: Memory leak in Cisco IOS 15↗2022-05-17
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CVEList
CVE-2011-3273: Memory leak in Cisco IOS 15↗2011-10-03
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📋Vendor Advisories

1
Cisco
Cisco IOS Software IPS and Zone Based Firewall Vulnerabilities↗2011-09-28
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CVE-2011-3273 — Cisco IOS vulnerability | cvebase