Cisco IOS 15.2 TCL Interpreter access control

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco IOS 15.2 and classified as problematic. Impacted is an unknown function of the component TCL Interpreter. This manipulation causes access control. This vulnerability appears as CVE-2015-4185. There is no available exploit.

Detailsinfo

A vulnerability has been found in Cisco IOS 15.2 (Router Operating System) and classified as problematic. Affected by this vulnerability is an unknown part of the component TCL Interpreter. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The TCL interpreter in Cisco IOS 15.2 does not properly maintain the vty state, which allows local users to gain privileges by starting a session very soon after a TCL script execution, aka Bug ID CSCuq24202.

The weakness was presented 06/13/2015 with Cisco as CSCuq24202 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-4185 since 06/04/2015. Attacking locally is a requirement. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 316188 (Cisco IOS Software TCL Script Interpreter Privilege Escalation Vulnerability (Cisco-SA-20150612-CVE-2015-4185)).

The vulnerability is also documented in the databases at X-Force (103826), SecurityFocus (BID 72310†) and Vulnerability Center (SBV-50549†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2015 🔍
06/12/2015 +8 days 🔍
06/13/2015 +1 days 🔍
06/13/2015 +0 days 🔍
06/13/2015 +0 days 🔍
06/14/2015 +1 days 🔍
06/14/2015 +0 days 🔍
05/21/2022 +2533 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuq24202
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-4185 (🔍)
GCVE (CVE): GCVE-0-2015-4185
GCVE (VulDB): GCVE-100-75883
X-Force: 103826 - Cisco IOS Tool Command Language privilege escalation
SecurityFocus: 72310 - Cisco IOS Software CVE-2015-4185 Privilege Escalation Vulnerability
SecurityTracker: 1032581
Vulnerability Center: 50549 - Cisco IOS Local Privilege Escalation in the TCL Interpreter, Medium

Entryinfo

Created: 06/14/2015 13:46
Updated: 05/21/2022 07:25
Changes: 06/14/2015 13:46 (62), 06/30/2017 06:00 (4), 05/21/2022 07:25 (3)
Complete: 🔍
Cache ID: 216:74F:103

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

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