Cisco Email Security Appliance 9.6 Message Filter Email Attachment input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Email Security Appliance 9.6. It has been declared as problematic. This issue affects some unknown processing of the component Message Filter. The manipulation as part of Email Attachment results in input validation. This vulnerability is known as CVE-2015-6291. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Email Security Appliance 9.6 (Anti-Malware Software). Affected is some unknown processing of the component Message Filter. The manipulation as part of a Email Attachment leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability.

The weakness was published 11/04/2015 with Cisco as cisco-sa-20151104-esa2 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2015-6291 since 08/17/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 86914 (Cisco Email Security Appliance Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43450 (Cisco Email Security Appliance Email Scanner Denial of Service Vulnerability (cisco-sa-20151104-esa2)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (107833), Tenable (86914), SecurityFocus (BID 77436†) and Vulnerability Center (SBV-54271†). Similar entries are available at VDB-75882 and VDB-79051. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86914
Nessus Name: Cisco Email Security Appliance Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco Email Security Appliance Email Scanner Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2015 🔍
08/17/2015 +66 days 🔍
11/04/2015 +79 days 🔍
11/04/2015 +0 days 🔍
11/05/2015 +1 days 🔍
11/05/2015 +0 days 🔍
11/05/2015 +0 days 🔍
11/10/2015 +5 days 🔍
11/18/2015 +8 days 🔍
11/18/2024 +3288 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20151104-esa2
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6291 (🔍)
GCVE (CVE): GCVE-0-2015-6291
GCVE (VulDB): GCVE-100-79050
X-Force: 107833 - Cisco Email Security Appliance email message filtering denial of service
SecurityFocus: 77436 - Cisco Email Security Appliance CVE-2015-6291 Remote Denial of Service Vulnerability
SecurityTracker: 1034064
Vulnerability Center: 54271 - [cisco-sa-20151104-esa2] Cisco AsyncOS on Email Security Appliance (ESA) Remote DoS, High

See also: 🔍

Entryinfo

Created: 11/05/2015 11:01
Updated: 11/18/2024 14:31
Changes: 11/05/2015 11:01 (54), 04/11/2018 11:34 (23), 06/26/2022 10:02 (4), 11/18/2024 14:31 (16)
Complete: 🔍
Cache ID: 216::103

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