Vulnerability CVE-2021-43116
Published: 2022-07-05

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.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Alibaba -> Nacos 

 References:
https://github.com/alibaba/nacos/issues/7182
https://github.com/alibaba/nacos/issues/7127
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