Zkteco BioTime prior 8.5.3 PDF Generator access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Zkteco BioTime. Affected by this issue is some unknown functionality of the component PDF Generator. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2022-38803. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Zkteco BioTime and classified as critical. This vulnerability affects an unknown functionality of the component PDF Generator. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Zkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via Leave, overtime, Manual log. An authenticated employee can read local files by exploiting XSS into a pdf generator when exporting data as a PDF
The weakness was published 11/30/2022. The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2022-38803 since 08/29/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
Upgrading to version 8.5.3 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-41363). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.0
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BioTime 8.5.3
Timeline
08/29/2022 🔍11/30/2022 🔍
11/30/2022 🔍
06/24/2026 🔍
Sources
Advisory: gist.github.comStatus: Confirmed
CVE: CVE-2022-38803 (🔍)
GCVE (CVE): GCVE-0-2022-38803
GCVE (VulDB): GCVE-100-214600
EUVD: 🔍
Entry
Created: 11/30/2022 16:59Updated: 06/24/2026 06:07
Changes: 11/30/2022 16:59 (39), 12/24/2022 20:49 (11), 04/24/2025 23:41 (16), 06/24/2026 06:07 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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