CVE-2023-42820
7.0 · HIGHOverview
CVE-2023-42820 is a high-severity vulnerability affecting fit2cloud jumpserver. It was published on September 27, 2023 and has a CVSS 3.1 base score of 7.0 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local authentication are also not affected. Users are advised to upgrade to either version 2.28.19 or to 3.6.5. There are no known workarounds or this issue.
Remediation
Check the references section for vendor advisories and patches from fit2cloud. Update jumpserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fit2cloud | jumpserver | >= 2.24.0, < 2.28.19 | Affected |
References
Frequently Asked Questions
What is CVE-2023-42820?
CVE-2023-42820 is a high-severity vulnerability affecting fit2cloud jumpserver. It was published on September 27, 2023 and has a CVSS 3.1 base score of 7.0 (HIGH).
How severe is CVE-2023-42820?
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-42820?
Check the references section for vendor advisories and patches from fit2cloud. Update jumpserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-42820?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-42820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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