CVE-2023-4587
CVE-2023-4587 is a high-severity vulnerability in Zkteco Zem800 Firmware with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: High (CVSS 3.x base score 8.3)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-639
- Affected product: Zkteco Zem800 Firmware
- Published:
- Last modified:
Description
An IDOR vulnerability has been found in ZKTeco ZEM800 product affecting version 6.60. This vulnerability allows a local attacker to obtain registered user backup files or device configuration files over a local network or through a VPN server.
Frequently asked questions
- What is CVE-2023-4587?
- An IDOR vulnerability has been found in ZKTeco ZEM800 product affecting version 6.60. This vulnerability allows a local attacker to obtain registered user backup files or device configuration files over a local network or through a VPN server.
- How severe is CVE-2023-4587?
- CVE-2023-4587 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2023-4587 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-4587?
- CVE-2023-4587 affects Zkteco Zem800 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-4587?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-4587 published?
- CVE-2023-4587 was published on 2023-09-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zkteco:zem800_firmware:6.60:*:*:*:*:*:*:*
More vulnerabilities in Zkteco Zem800 Firmware
- CVE-2022-42953 — High (CVSS 7.5): Certain ZKTeco products (ZEM500-510-560-760, ZEM600-800, ZEM720, ZMM) allow access to sensitive information via direct…
All CVEs affecting Zkteco Zem800 Firmware →
Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities
- CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…
- CVE-2024-45032 — Critical (CVSS 10.0): A vulnerability has been identified in Industrial Edge Management Pro (All versions < V1.9.5), Industrial Edge…
- CVE-2026-62283 — Critical (CVSS 9.9): Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Nezha versions 1.14.13…
- CVE-2026-73656 — Critical (CVSS 9.9): Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. Prior to 4.5.6, POST…
- CVE-2026-48765 — Critical (CVSS 9.9): TypeBot is a chatbot builder tool. Versions prior to 3.17.0 allow a low-privilege read collaborator to extract a…
- CVE-2026-67622 — Critical (CVSS 9.9): Flowise through 3.1.4 contains an insecure direct object reference vulnerability in the OpenAI Assistants integration…
Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →