CVE-2023-54335 Extplorer CVE debrief

Who should care

Defenders and system administrators responsible for eXtplorer installations should assess exposure and apply patches or mitigations. The vulnerability affects eXtplorer 2.1.14 and allows attackers to execute remote commands. Defenders should prioritize verifying exposure and applying patches or mitigations. The vulnerability has a CVSS score of 9.3 and is considered critical.

Why it matters

CVE-2023-54335 is a critical authentication bypass vulnerability in eXtplorer 2.1.14 that allows attackers to login without a password and execute remote commands. Defenders should prioritize verifying exposure and applying patches or mitigations.

• Verify exposure and apply patches or mitigations to prevent exploitation.
• Monitor for suspicious login attempts and system changes to detect potential exploitation.
• Assess system configurations and versions to determine vulnerability.

Technical summary

The vulnerability allows attackers to bypass authentication and login without a password by manipulating the login request. This can lead to uploading malicious PHP files and executing remote commands on the vulnerable file management system. The vulnerability has a CVSS score of 9.3 and is considered critical. Defenders should prioritize verifying exposure and applying patches or mitigations. The CVE record and NVD detail page provide information on the vulnerability, but do not specify versions or remediation. The vulnerability affects eXtplorer 2.1.14 and allows attackers to execute remote commands.

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations.

Recommended defensive actions

• Verify exposure by checking system versions and configurations.
• Apply patches or mitigations provided by the vendor.
• Monitor for suspicious login attempts and system changes.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, but do not specify versions or remediation. The vulnerability allows attackers to bypass authentication and login without a password by manipulating the login request. This can lead to uploading malicious PHP files and executing remote commands. Defenders should prioritize verifying exposure and applying patches or mitigations.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.