CVE-2022-20772

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in Cisco Email Security Appliance (ESA) and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack.
This vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses.

Una vulnerabilidad en Cisco Email Security Appliance (ESA) y Cisco Secure Email and Web Manager podría permitir que un atacante remoto no autenticado lleve a cabo un ataque de división de respuesta HTTP. Esta vulnerabilidad se debe a que la aplicación o su entorno no limpian adecuadamente los valores de entrada. Un atacante podría aprovechar esta vulnerabilidad inyectando encabezados HTTP maliciosos, controlando el cuerpo de la respuesta o dividiendo la respuesta en múltiples respuestas.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-02 CVE Reserved
2022-11-03 CVE Published
2024-05-26 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

CAPEC

References (1)

URL	Tag	Source
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-HTTP-Inject-nvsycUmR

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Email Security Appliance Firmware Search vendor "Cisco" for product "Email Security Appliance Firmware"	>= 13.5.1 < 14.0.3-015 Search vendor "Cisco" for product "Email Security Appliance Firmware" and version " >= 13.5.1 < 14.0.3-015"	-	Affected	in	Cisco Search vendor "Cisco"	Email Security Appliance Search vendor "Cisco" for product "Email Security Appliance"	-	-	Safe
Cisco Search vendor "Cisco"	Email Security Appliance Firmware Search vendor "Cisco" for product "Email Security Appliance Firmware"	>= 14.1 < 14.2.1-015 Search vendor "Cisco" for product "Email Security Appliance Firmware" and version " >= 14.1 < 14.2.1-015"	-	Affected	in	Cisco Search vendor "Cisco"	Email Security Appliance Search vendor "Cisco" for product "Email Security Appliance"	-	-	Safe
Cisco Search vendor "Cisco"	Email Security Appliance Firmware Search vendor "Cisco" for product "Email Security Appliance Firmware"	>= 14.3 < 14.3.0-023 Search vendor "Cisco" for product "Email Security Appliance Firmware" and version " >= 14.3 < 14.3.0-023"	-	Affected	in	Cisco Search vendor "Cisco"	Email Security Appliance Search vendor "Cisco" for product "Email Security Appliance"	-	-	Safe
Cisco Search vendor "Cisco"	Secure Email And Web Manager Firmware Search vendor "Cisco" for product "Secure Email And Web Manager Firmware"	>= 14.2 < 14.2.0-217 Search vendor "Cisco" for product "Secure Email And Web Manager Firmware" and version " >= 14.2 < 14.2.0-217"	-	Affected	in	Cisco Search vendor "Cisco"	Secure Email And Web Manager Search vendor "Cisco" for product "Secure Email And Web Manager"	-	-	Safe
Cisco Search vendor "Cisco"	Secure Email And Web Manager Firmware Search vendor "Cisco" for product "Secure Email And Web Manager Firmware"	>= 14.3 < 14.3.0-115 Search vendor "Cisco" for product "Secure Email And Web Manager Firmware" and version " >= 14.3 < 14.3.0-115"	-	Affected	in	Cisco Search vendor "Cisco"	Secure Email And Web Manager Search vendor "Cisco" for product "Secure Email And Web Manager"	-	-	Safe