How severe is CVE-2020-35364?

CVE-2020-35364 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-35364 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35364?

CVE-2020-35364 affects Huorong Internet Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35364?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-35364 published?

CVE-2020-35364 was published on 2020-12-26 and last updated on 2026-06-17.

CVE-2020-35364

CVE-2020-35364 is a critical-severity vulnerability in Huorong Internet Security with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huorong Internet Security
Published: 2020-12-26
Last modified: 2026-06-17

Description

Beijing Huorong Internet Security 5.0.55.2 allows a non-admin user to escalate privileges by injecting code into a process, and then waiting for a Huorong services restart or a system reboot.

Frequently asked questions

What is CVE-2020-35364?: Beijing Huorong Internet Security 5.0.55.2 allows a non-admin user to escalate privileges by injecting code into a process, and then waiting for a Huorong services restart or a system reboot.
How severe is CVE-2020-35364?: CVE-2020-35364 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-35364 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35364?: CVE-2020-35364 affects Huorong Internet Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35364?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-35364 published?: CVE-2020-35364 was published on 2020-12-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:huorong:internet_security:5.0.55.2:*:*:*:*:*:*:*