CVE-2017-3818

Severity Score

5.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device, aka a Malformed MIME Header Filtering Bypass. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. More Information: CSCvb65245. Known Affected Releases: 9.7.1-066. Known Fixed Releases: 9.8.0-092.

Una vulnerabilidad en el escáner Multipurpose Internet Mail Extensions (MIME) de Cisco AsyncOS Software para Cisco Email Security Appliances (ESA) podría permitir a un atacante remoto no autenticado eludir los filtros configurados por el usuario en el dispositivo, vulnerabilidad también conocida como Malformed MIME Header Filtering Bypass. Esta vulnerabilidad afecta todos los lanzamientos anteriores al primer lanzamiento reparado de Cisco AsyncOS Software para Cisco Email Security Appliances, ambas aplicaciones virtuales y hardware, si el software es configurado para aplicar un filtro de mensaje o filtro de contenido a adjuntos de email entrantes. Más Información: CSCvb65245. Lanzamientos Afectados Conocidos: 9.7.1-066. Lanzamientos Reparados Conocidos: 9.8.0-092.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-12-21 CVE Reserved
2017-02-03 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/95939	Third Party Advisory
http://www.securitytracker.com/id/1037773	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-esa1	2017-07-25

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"				9.7.1-066 Search vendor "Cisco" for product "Email Security Appliance Firmware" and version "9.7.1-066"		-		Affected