How severe is CVE-2020-17473?

CVE-2020-17473 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-17473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-17473?

CVE-2020-17473 primarily affects Zkteco Zkbiosecurity Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-17473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-17473 published?

CVE-2020-17473 was published on 2020-08-14 and last updated on 2026-06-17.

CVE-2020-17473

CVE-2020-17473 is a medium-severity vulnerability in Zkteco Zkbiosecurity Server with a CVSS 3.x base score of 5.9. 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-613.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Zkteco Zkbiosecurity Server
Published: 2020-08-14
Last modified: 2026-06-17

Description

Lack of mutual authentication in ZKTeco FaceDepot 7B 1.0.213 and ZKBiosecurity Server 1.0.0_20190723 allows an attacker to obtain a long-lasting token by impersonating the server.

Frequently asked questions

What is CVE-2020-17473?: Lack of mutual authentication in ZKTeco FaceDepot 7B 1.0.213 and ZKBiosecurity Server 1.0.0_20190723 allows an attacker to obtain a long-lasting token by impersonating the server.
How severe is CVE-2020-17473?: CVE-2020-17473 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-17473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-17473?: CVE-2020-17473 primarily affects Zkteco Zkbiosecurity Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-17473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-17473 published?: CVE-2020-17473 was published on 2020-08-14 and last updated on 2026-06-17.

References

https://www.trendmicro.com/vinfo/us/threat-encyclopedia/vulnerability/8131/zkteco-facedepot-7b-10213-and-zkbiosecurity-server-10020190723-long-lasting-token-vulnerability

Affected products (2)

cpe:2.3:a:zkteco:zkbiosecurity_server:1.0.0_20190723:*:*:*:*:*:*:*
cpe:2.3:o:zkteco:facedepot_7b_firmware:1.0.213:*:*:*:*:*:*:*

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