CVSS 3.1 Score 7.4 of 10 (high)


Published Sep 27, 2023
Updated: Oct 2, 2023
CWE ID 640


CVE-2023-43650 is a cyber vulnerability that affects JumpServer, an open source bastion host. The vulnerability lies in the verification code used for resetting user passwords, which lacks rate limiting and is susceptible to brute-force attacks. Affected users are sent a 6-digit verification code that allows up to 1,000,000 validation attempts within a 1-minute window. This issue has been addressed in versions 2.28.20 and 3.7.1 of JumpServer, and users are advised to upgrade to these versions to remediate the vulnerability. The potential danger posed by this vulnerability is significant, with a high base severity score of 7.4 out of 10 and high impact on integrity and confidentiality.

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