ZyXEL ZyWALL Default Credentials Default Credential improper authentication

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.
8.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in ZyXEL ZyWALL and classified as critical. Affected by this issue is some unknown functionality of the component Default Credentials. The manipulation with the input 1234 as part of Default Credential leads to improper authentication. Furthermore, there is an exploit available. Adding more authentication is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ZyXEL ZyWALL (Firewall Software) (the affected version unknown). This issue affects an unknown part of the component Default Credentials. The manipulation with the input value 1234 leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/12/2013 by Darius Freamon as not defined blog post (Blog). The advisory is shared at dariusfreamon.wordpress.com. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is available at dariusfreamon.wordpress.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

It is possible to mitigate the problem by adding an authentication mechanism.

The vulnerability is also documented in the vulnerability database at OSVDB (93277†). The entries VDB-8668 and VDB-8670 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Firewall Software

Vendor

ZyXEL

Name

ZyWALL

License

commercial

Website

Vendor: https://www.zyxel.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: Authentication
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

05/12/2013 🔍
05/12/2013 +0 days 🔍
05/14/2013 +2 days 🔍
03/20/2019 +2136 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: dariusfreamon.wordpress.com
Researcher: Darius Freamon
Status: Not defined

GCVE (VulDB): GCVE-100-8669
OSVDB: 93277

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/14/2013 16:41
Updated: 03/20/2019 19:52
Changes: 05/14/2013 16:41 (45), 03/20/2019 19:52 (2)
Complete: 🔍
Committer:
Cache ID: 216::103

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