Cisco FX-OS/Unified Computing System Manager CGI Script os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco FX-OS and Unified Computing System Manager. Impacted is an unknown function of the component CGI Script. This manipulation causes os command injection. This vulnerability is registered as CVE-2015-6435. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco FX-OS and Unified Computing System Manager (Virtualization Software) (affected version not known) and classified as very critical. Affected by this vulnerability is some unknown functionality of the component CGI Script. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An unspecified CGI script in Cisco FX-OS before 1.1.2 on Firepower 9000 devices and Cisco Unified Computing System (UCS) Manager before 2.2(4b), 2.2(5) before 2.2(5a), and 3.0 before 3.0(2e) allows remote attackers to execute arbitrary shell commands via a crafted HTTP request, aka Bug ID CSCur90888.

The weakness was published 01/22/2016 as CSCur90888 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-6435 since 08/17/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/06/2022). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 88488 (Cisco Unified Computing System Manager CGI RCE (CSCur90888)), 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 r.

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 Tenable (88488) and Vulnerability Center (SBV-55967†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88488
Nessus Name: Cisco Unified Computing System Manager CGI RCE (CSCur90888)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103807
OpenVAS Name: Cisco Unified Computing System Manager Remote Command Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
01/20/2016 +156 days 🔍
01/20/2016 +0 days 🔍
01/21/2016 +1 days 🔍
01/22/2016 +1 days 🔍
01/22/2016 +0 days 🔍
01/25/2016 +3 days 🔍
01/29/2016 +4 days 🔍
07/06/2022 +2350 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCur90888
Status: Confirmed

CVE: CVE-2015-6435 (🔍)
GCVE (CVE): GCVE-0-2015-6435
GCVE (VulDB): GCVE-100-80635
SecurityTracker: 1034743
Vulnerability Center: 55967 - [cisco-sa-20160120-ucsm] Cisco UCS Manager and Firepower 9000 Remote Code Execution Vulnerability, Critical

Entryinfo

Created: 01/25/2016 10:51
Updated: 07/06/2022 08:21
Changes: 01/25/2016 10:51 (64), 07/02/2018 09:13 (12), 07/06/2022 08:21 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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