CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco Web Security Appliance 8.0.7-142/8.5.1-021. This vulnerability affects unknown code of the component Native FTP Handler. Such manipulation leads to resource management. This vulnerability is documented as CVE-2015-6386. There is not any exploit available. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco Web Security Appliance 8.0.7-142/8.5.1-021 (Anti-Malware Software). Affected by this issue is an unknown functionality of the component Native FTP Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability.

The weakness was released 11/30/2015 as cisco-sa-20151130-wsa as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2015-6386 since 08/17/2015. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The advisory illustrates:

The ability to exploit this vulnerability is affected by the way the FTP client uses handles to close the FTP control connection.

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-54704†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Anti-Malware Software

Vendor

• Cisco

Name

• Web Security Appliance

Version

• 8.0.7-142
• 8.5.1-021

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 803167
OpenVAS Name: Cisco Web Security Appliance Native FTP Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
11/30/2015 +105 days 🔍
11/30/2015 +0 days 🔍
12/01/2015 +1 days 🔍
12/01/2015 +0 days 🔍
12/01/2015 +0 days 🔍
06/28/2022 +2401 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20151130-wsa
Status: Confirmed

CVE: CVE-2015-6386 (🔍)
GCVE (CVE): GCVE-0-2015-6386
GCVE (VulDB): GCVE-100-79346
SecurityTracker: 1034276
Vulnerability Center: 54704 - [cisco-sa-20151130-wsa] Cisco Web Security Appliance (WSA) Remote DoS due to High CPU Utilization, Medium

Entryinfo

Created: 12/01/2015 12:09
Updated: 06/28/2022 08:35
Changes: 12/01/2015 12:09 (49), 05/09/2018 11:43 (11), 06/28/2022 08:35 (4)
Complete: 🔍
Cache ID: 216:E54:103

Discussion

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