How severe is CVE-2023-53973?

CVE-2023-53973 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53973 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-2023-53973?

CVE-2023-53973 affects Zillya Total Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53973?

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.

Does CVE-2023-53973 have an EU (EUVD) identifier?

Yes. CVE-2023-53973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60235.

When was CVE-2023-53973 published?

CVE-2023-53973 was published on 2025-12-22 and last updated on 2026-06-17.

CVE-2023-53973

CVE-2023-53973 is a high-severity vulnerability in Zillya Total Security with a CVSS 3.x base score of 8.4. 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-59.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.5
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60235
Weakness: CWE-59
Affected product: Zillya Total Security
Published: 2025-12-22
Last modified: 2026-06-17

Description

Zillya Total Security 3.0.2367.0 contains a privilege escalation vulnerability that allows low-privileged users to copy files to unauthorized system locations using the quarantine module. Attackers can leverage symbolic link techniques to restore quarantined files to restricted directories, potentially enabling system-level access through techniques like DLL hijacking.

Frequently asked questions

What is CVE-2023-53973?: Zillya Total Security 3.0.2367.0 contains a privilege escalation vulnerability that allows low-privileged users to copy files to unauthorized system locations using the quarantine module. Attackers can leverage symbolic link techniques to restore quarantined files to restricted directories, potentially enabling system-level access through techniques like DLL hijacking.
How severe is CVE-2023-53973?: CVE-2023-53973 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53973 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-2023-53973?: CVE-2023-53973 affects Zillya Total Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53973?: 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.
Does CVE-2023-53973 have an EU (EUVD) identifier?: Yes. CVE-2023-53973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60235.
When was CVE-2023-53973 published?: CVE-2023-53973 was published on 2025-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zillya:total_security:3.0.2367.0:*:*:*:*:*:*:*

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