Biotime
CVE-2022-30515
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK
1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could access critical functionality without authentication by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
ZKTeco BioTime 8.5.4 is missing authentication on folders containing employee photos, allowing an attacker to view them through filename enumeration. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. ZKTeco BioTime 8.5.4 is missing authentication on folders containing employee photos, allowing an attacker to view them through filename enumeration. Affected products include: Zkteco Biotime.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
ZKTeco BioTime 8.5.4 is missing authentication on folders containing employee photos, allowing an attacker to view them through filename enumeration.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbit
Insecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to escalate their privileges due
An issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information. Rated high sever
Zkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via Leave, overtime, Manual log. Rat
An issue in ZKTeko BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information via the Authentic
ZKTeco BioTime 8.5.5 through 9.x before 9.0.1 (20240617.19506) allows authenticated attackers to create or overwrite arb
Zkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via resign, private message, manual
A vulnerability was found in ZKTeco BioTime up to 9.5.2. Rated medium severity (CVSS 5.3), this vulnerability is remotel
An issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the Administrato
Hard-coded cryptographic keys shipped inside ZKTeco BioTime 9.5.6 Build 20260130.3206 can be recovered by anyone with ac
In Zkteco BioTime < 8.5.3 Build:20200816.447, an employee can hijack an administrator session and cookies using blind cr
Authorization bypass in ZKTeco BioTime 9.5.6 Build 20260130.3206 allows an authenticated low-privilege user to read pers
GitHub PoC
Exploit-DB