CVE-2019-15272

Cisco Unified Communications Manager Security Bypass Vulnerability

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A vulnerability in the web-based interface of Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition (SME) could allow an unauthenticated, remote attacker to bypass security restrictions. The vulnerability is due to improper handling of malformed HTTP methods. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected system. A successful exploit could allow the attacker to gain unauthorized access to the system.

Una vulnerabilidad en la interfaz basada en web de Cisco Unified Communications Manager y Cisco Unified Communications Manager Session Management Edition (SME), podría permitir a un atacante remoto no autenticado omita las restricciones de seguridad. La vulnerabilidad es debido al manejo inapropiado de los métodos HTTP malformados. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición HTTP diseñada hacia el sistema afectado. Una explotación con éxito podría permitir al atacante conseguir acceso no autorizado al sistema.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2019-08-20 CVE Reserved
2019-10-02 CVE Published
2023-03-07 EPSS Updated
2024-11-19 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-264: Permissions, Privileges, and Access Controls
CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-ucm-secbypass	2019-10-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				10.5\(2.10000.5\) Search vendor "Cisco" for product "Unified Communications Manager" and version "10.5\(2.10000.5\)"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				11.5\(1.10000.6\) Search vendor "Cisco" for product "Unified Communications Manager" and version "11.5\(1.10000.6\)"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				12.0\(1.10000.10\) Search vendor "Cisco" for product "Unified Communications Manager" and version "12.0\(1.10000.10\)"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				12.5\(1.10000.22\) Search vendor "Cisco" for product "Unified Communications Manager" and version "12.5\(1.10000.22\)"		-		Affected