How severe is CVE-2020-1976?

CVE-2020-1976 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-1976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1976?

CVE-2020-1976 affects Paloaltonetworks Globalprotect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1976?

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

When was CVE-2020-1976 published?

CVE-2020-1976 was published on 2020-02-12 and last updated on 2026-06-17.

CVE-2020-1976

CVE-2020-1976 is a medium-severity vulnerability in Paloaltonetworks Globalprotect with a CVSS 3.x base score of 4.7. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 4.9
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Paloaltonetworks Globalprotect
Published: 2020-02-12
Last modified: 2026-06-17

Description

A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect software running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash. This issue affects GlobalProtect 5.0.5 and earlier versions of GlobalProtect 5.0 on Mac OS.

Frequently asked questions

What is CVE-2020-1976?: A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect software running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash. This issue affects GlobalProtect 5.0.5 and earlier versions of GlobalProtect 5.0 on Mac OS.
How severe is CVE-2020-1976?: CVE-2020-1976 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-1976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1976?: CVE-2020-1976 affects Paloaltonetworks Globalprotect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1976 published?: CVE-2020-1976 was published on 2020-02-12 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2020-1976

Affected products (1)

cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*

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