CVE-2021-43116

HIGH

Nacos 2.0.3 - Privilege Escalation

Title source: llm

Description

An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.

Exploits (2)

exploitdb SCANNER
by Jenson Zhao · pythonwebappsjava
https://www.exploit-db.com/exploits/51205
github SCANNER
by Immer5ion · pythonpoc
https://github.com/Immer5ion/cve_poc/tree/main/CVE-2021-43116.py

References (3)

Scores

CVSS v3 8.8
EPSS 0.0578
EPSS Percentile 90.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (2)
alibaba/nacos < 2.0.3
com.alibaba.nacos/nacos-client 0Maven
Published Jul 05, 2022
Tracked Since Feb 18, 2026