CVE-2021-30356

CVE-2021-30356 is a high-severity vulnerability in Checkpoint Identity Agent with a CVSS 3.x base score of 8.1. 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

Description

A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files.

Frequently asked questions

What is CVE-2021-30356?
A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files.
How severe is CVE-2021-30356?
CVE-2021-30356 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-30356 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30356?
CVE-2021-30356 affects Checkpoint Identity Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30356?
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-2021-30356 published?
CVE-2021-30356 was published on 2021-04-22 and last updated on 2026-06-17.

References

Affected products (1)

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