VDB-174284 · CVE-2021-30234 · CNVD-2021-0352

China Mobile An Lianbao WF-1 1.0.1 set_MLD_PROXY Interface MLD_PROXY_WAN_CONNECT os command injection

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 described as critical has been identified in China Mobile An Lianbao WF-1 1.0.1. Affected by this vulnerability is an unknown functionality of the component set_MLD_PROXY Interface. Such manipulation of the argument MLD_PROXY_WAN_CONNECT leads to os command injection. This vulnerability is traded as CVE-2021-30234. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in China Mobile An Lianbao WF-1 1.0.1. It has been rated as critical. Affected by this issue is an unknown code block of the component set_MLD_PROXY Interface. The manipulation of the argument MLD_PROXY_WAN_CONNECT with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was shared 04/29/2021 as CNVD-2021-0352. The advisory is shared for download at cnvd.org.cn. This vulnerability is handled as CVE-2021-30234. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

China Mobile

Name

An Lianbao WF-1

Version

1.0.1

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2021 🔍
04/29/2021 +22 days 🔍
04/29/2021 +0 days 🔍
05/03/2021 +4 days 🔍

Sourcesinfo

Advisory: CNVD-2021-0352
Status: Not defined

CVE: CVE-2021-30234 (🔍)
GCVE (CVE): GCVE-0-2021-30234
GCVE (VulDB): GCVE-100-174284
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/29/2021 20:48
Updated: 05/03/2021 09:26
Changes: 04/29/2021 20:48 (41), 05/03/2021 09:26 (2)
Complete: 🔍
Cache ID: 216::103