VDB-194824 · CVE-2021-44667 · Issue 7359

Alibaba Nacos 2.0.3 auth/users pageSize/pageNo cross site scripting

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.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Alibaba Nacos 2.0.3. This vulnerability affects unknown code of the file auth/users. Executing a manipulation of the argument pageSize/pageNo can lead to cross site scripting. The identification of this vulnerability is CVE-2021-44667. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Alibaba Nacos 2.0.3. This vulnerability affects an unknown function of the file auth/users. The manipulation of the argument pageSize/pageNo with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was shared 03/12/2022 as 7359. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-44667 since 12/06/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Alibaba

Name

Nacos

Version

2.0.3

Website

Product: https://github.com/alibaba/nacos/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

12/06/2021 🔍
03/12/2022 +96 days 🔍
03/12/2022 +0 days 🔍
03/16/2022 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: 7359
Status: Confirmed

CVE: CVE-2021-44667 (🔍)
GCVE (CVE): GCVE-0-2021-44667
GCVE (VulDB): GCVE-100-194824

Entryinfo

Created: 03/12/2022 08:34
Updated: 03/16/2022 08:54
Changes: 03/12/2022 08:34 (39), 03/16/2022 08:54 (1)
Complete: 🔍
Cache ID: 216::103