How severe is CVE-2016-20028?

CVE-2016-20028 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-20028 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2016-20028?

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

Does CVE-2016-20028 have an EU (EUVD) identifier?

Yes. CVE-2016-20028 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10811.

When was CVE-2016-20028 published?

CVE-2016-20028 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2016-20028

CVE-2016-20028 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10811
Weakness: CWE-352
Published: 2026-03-16
Last modified: 2026-06-17

Description

ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages.

Frequently asked questions

What is CVE-2016-20028?: ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages.
How severe is CVE-2016-20028?: CVE-2016-20028 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-20028 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2016-20028?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2016-20028 have an EU (EUVD) identifier?: Yes. CVE-2016-20028 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10811.
When was CVE-2016-20028 published?: CVE-2016-20028 was published on 2026-03-16 and last updated on 2026-06-17.

References

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