CVE-2015-4200 — Missing Release of Memory after Effective Lifetime in Cisco IOS

CWE-3994 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.9%
top 25.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS
Timeline
PublishedJun 23
Latest updateMay 17

Description

Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.

CVSS vector

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

Affected Packages1 packages

▶NVDcisco/ios15.3\(3\)s, 15.3s+1

🔴Vulnerability Details

2
GHSA
GHSA-5r6c-r963-4qqw: Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15↗2022-05-17
▶
CVEList
CVE-2015-4200: Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15↗2015-06-23
▶

📋Vendor Advisories

1
Cisco
Cisco IOS Software UBR Devices IPv6 to IPv4 Subsystem Denial of Service Vulnerability↗2015-06-22
▶
CVE-2015-4200 — Cisco IOS vulnerability | cvebase