Cisco WRT54G 4.21.1 UPnP privilege escalation

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco WRT54G 4.21.1. This affects an unknown part of the component UPnP Handler. This manipulation causes an unknown weakness. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco WRT54G 4.21.1. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component UPnP Handler. The impact remains unknown.

The weakness was released 08/18/2011 as confirmed changelog entry (Website). The advisory is shared at downloads.linksys.com. The public release was coordinated with Cisco. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.21.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (95759†). Entry connected to this vulnerability is available at VDB-9782. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Cisco

Name

WRT54G

Version

4.21.1

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: WRT54G 4.21.4

Timelineinfo

08/18/2011 🔍
08/18/2011 +0 days 🔍
07/30/2013 +712 days 🔍
07/30/2013 +0 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: downloads.linksys.com
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9781
OSVDB: 95759

See also: 🔍

Entryinfo

Created: 07/30/2013 12:58
Changes: 07/30/2013 12:58 (43)
Complete: 🔍
Committer:
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.