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CVE-2023-38950 is an unauthenticated path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5. By supplying a crafted traversal payload to the vulnerable API, a remote attacker can bypass intended filesystem restrictions and read arbitrary files accessible to the application. Reported exploitation included retrieval of configuration files containing sensitive application and database settings. The issue was fixed in ZKBioTime version 9.0.120240617.19506.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
One of a set of Biotime product vulnerabilities used by Lemon Sandstorm for attempted re-entry/persistence against a Middle East CNI target after containment actions.
A path traversal vulnerability in ZKTeco BioTime that can expose confidential user data in biometric access systems and potentially enable physical security impacts.
A known vulnerability in Biotime that was leveraged in attempted re-infiltration of the victim network after prior access was removed.
A known vulnerability in ZKTeco ZKBioTime that was part of a publicly available exploit chain used by the adversary to regain access to the victim environment after remediation.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.