CVE-2015-0646

Summary

CVE	CVE-2015-0646
State	PUBLISHED
Assigner	cisco
Source Priority	CVE Program / NVD first with legacy fallback
Published	2015-03-26 10:59:11 UTC
Updated	2026-05-06 22:30:45 UTC
Description	Memory leak in the TCP input module in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.3.xXO, 3.5.xE, 3.6.xE, 3.8.xS through 3.10.xS before 3.10.5S, and 3.11.xS and 3.12.xS before 3.12.3S allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted TCP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCum94811.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Cisco	Ios	12.2	All	All	All
Operating System	Cisco	Ios	12.4	All	All	All
Operating System	Cisco	Ios	15.0	All	All	All
Operating System	Cisco	Ios	15.1	All	All	All
Operating System	Cisco	Ios	15.2	All	All	All
Operating System	Cisco	Ios	15.3	All	All	All
Operating System	Cisco	Ios	15.4	All	All	All
Operating System	Cisco	Ios Xe	3.10s.0	All	All	All
Operating System	Cisco	Ios Xe	3.10s.0a	All	All	All
Operating System	Cisco	Ios Xe	3.10s.1	All	All	All
Operating System	Cisco	Ios Xe	3.10s.2	All	All	All
Operating System	Cisco	Ios Xe	3.10s.3	All	All	All
Operating System	Cisco	Ios Xe	3.10s.4	All	All	All
Operating System	Cisco	Ios Xe	3.11s.0	All	All	All
Operating System	Cisco	Ios Xe	3.11s.1	All	All	All
Operating System	Cisco	Ios Xe	3.11s.2	All	All	All
Operating System	Cisco	Ios Xe	3.11s.3	All	All	All
Operating System	Cisco	Ios Xe	3.11s.4	All	All	All
Operating System	Cisco	Ios Xe	3.12s.0	All	All	All
Operating System	Cisco	Ios Xe	3.12s.1	All	All	All
Operating System	Cisco	Ios Xe	3.3xo.0	All	All	All
Operating System	Cisco	Ios Xe	3.3xo.1	All	All	All
Operating System	Cisco	Ios Xe	3.3xo.2	All	All	All
Operating System	Cisco	Ios Xe	3.5e.0	All	All	All
Operating System	Cisco	Ios Xe	3.5e.1	All	All	All
Operating System	Cisco	Ios Xe	3.5e.2	All	All	All
Operating System	Cisco	Ios Xe	3.5e.3	All	All	All
Operating System	Cisco	Ios Xe	3.6e.0	All	All	All
Operating System	Cisco	Ios Xe	3.6e.1	All	All	All
Operating System	Cisco	Ios Xe	3.8s.0	All	All	All
Operating System	Cisco	Ios Xe	3.8s.1	All	All	All
Operating System	Cisco	Ios Xe	3.8s.2	All	All	All
Operating System	Cisco	Ios Xe	3.8s_base	All	All	All
Operating System	Cisco	Ios Xe	3.9s.0	All	All	All
Operating System	Cisco	Ios Xe	3.9s.1	All	All	All
Operating System	Cisco	Ios Xe	3.9s.2	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified

References

Reference	Source	Link	Tags
Cisco IOS and IOS-XE TCP Packet Memory Leak Lets Remote Users Deny Service - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com
Cisco IOS Software and IOS XE Software TCP Packet Memory Leak Vulnerability	af854a3a-2127-422b-91ae-364da2661108	tools.cisco.com	Vendor Advisory
Cisco IOS and IOS XE Software CVE-2015-0646 Denial of Service Vulnerability	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

590349 Rockwell Automation Stratix 5900 Multiple Vulnerabilities (ICSA-17-094-04)