PT-2022-12199 · Nacos · Nacos

Du9R1O · Published 2022-03-11 · Updated 2022-03-18 · CVE-2021-44667

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nacos version 2.0.3

Description A Cross Site Scripting (XSS) issue exists in the auth/users endpoint via the pageSize and pageSize parameters, specifically through the /auth/users endpoint.

Recommendations For Nacos version 2.0.3, consider restricting access to the /auth/users endpoint until a patch is available. As a temporary workaround, avoid using the pageSize and pageNo parameters in this endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-44667

GHSA-4GR7-QW2Q-JXH6

Affected Products

Nacos

References · 10

• 🔥 https://github.com/alibaba/nacos/issues/7359 · Exploit
• https://osv.dev/vulnerability/CVE-2021-44667 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-4gr7-qw2q-jxh6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44667 · Security Note
• https://github.com/alibaba/nacos/pull/8980 · Note
• https://github.com/alibaba/nacos/commit/d062fcafad0acd01673d404319526415a4af372b · Note
• https://github.com/alibaba/nacos/pull/7364 · Note
• https://github.com/alibaba/nacos · Note
• https://github.com/alibaba/nacos/commit/cd6d7e33b94f24814701f3faf8b632e5e85444c5 · Note
• https://t.me/cibsecurity/38827 · Telegram Post