CVE-2015-6429

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.

La máquina de estado IKEv1 en Cisco IOS 15.4 hasta la versión 15.6 y IOS XE 3.15 hasta la versión 3.17 permite a atacantes remotos causar una denegación de servicio (terminación de conexión IPsec) a través de un paquete IKEv1 manipulado en un dispositivo final del tunel, también conocida como Bug ID CSCuw08236.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-08-17 CVE Reserved
2015-12-19 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-19: Data Processing Errors

CAPEC

References (2)

URL	Tag	Source
http://www.securitytracker.com/id/1034505	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151218-ios	2016-12-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.4\(3\)s Search vendor "Cisco" for product "Ios" and version "15.4\(3\)s"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(1\)s Search vendor "Cisco" for product "Ios" and version "15.5\(1\)s"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(1\)t Search vendor "Cisco" for product "Ios" and version "15.5\(1\)t"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(2\)s Search vendor "Cisco" for product "Ios" and version "15.5\(2\)s"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(2\)t Search vendor "Cisco" for product "Ios" and version "15.5\(2\)t"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(3\)m Search vendor "Cisco" for product "Ios" and version "15.5\(3\)m"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(3\)m1 Search vendor "Cisco" for product "Ios" and version "15.5\(3\)m1"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(3\)s Search vendor "Cisco" for product "Ios" and version "15.5\(3\)s"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.5\(3\)s1 Search vendor "Cisco" for product "Ios" and version "15.5\(3\)s1"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.6\(0.17\)t Search vendor "Cisco" for product "Ios" and version "15.6\(0.17\)t"		-		Affected
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				15.6\(1\)t0a Search vendor "Cisco" for product "Ios" and version "15.6\(1\)t0a"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.15s.0 Search vendor "Cisco" for product "Ios Xe" and version "3.15s.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.15s.1 Search vendor "Cisco" for product "Ios Xe" and version "3.15s.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.15s.2 Search vendor "Cisco" for product "Ios Xe" and version "3.15s.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.16s.0 Search vendor "Cisco" for product "Ios Xe" and version "3.16s.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.16s.1 Search vendor "Cisco" for product "Ios Xe" and version "3.16s.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.17s.0 Search vendor "Cisco" for product "Ios Xe" and version "3.17s.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				3.17s.1 Search vendor "Cisco" for product "Ios Xe" and version "3.17s.1"		-		Affected