CVE-2021-43116

high

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.

References

https://github.com/alibaba/nacos/issues/7182

https://github.com/alibaba/nacos/issues/7127

http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html

Details

Source: Mitre, NVD

Published: 2022-07-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.02474