What’s Vulnerable › Vulnerabilities

CVE-2021-43116

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-05 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• alibaba nacos: through 2.0.3

References

• http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html
• https://github.com/alibaba/nacos/issues/7127
• https://github.com/alibaba/nacos/issues/7182
• http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html
• https://github.com/alibaba/nacos/issues/7127
• https://github.com/alibaba/nacos/issues/7182

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