How severe is CVE-2020-2027?

CVE-2020-2027 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-2027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2027?

CVE-2020-2027 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2027?

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-2020-2027 published?

CVE-2020-2027 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-2027

CVE-2020-2027 is a high-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 7.2. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Paloaltonetworks Pan-os
Published: 2020-06-10
Last modified: 2026-06-17

Description

A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue affects: All versions of PAN-OS 7.1 and PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.13; PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.

Frequently asked questions

What is CVE-2020-2027?: A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue affects: All versions of PAN-OS 7.1 and PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.13; PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.
How severe is CVE-2020-2027?: CVE-2020-2027 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-2027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2027?: CVE-2020-2027 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2027?: 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-2020-2027 published?: CVE-2020-2027 was published on 2020-06-10 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2020-2027

Affected products (1)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

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