How severe is CVE-2020-1994?

CVE-2020-1994 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-1994 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1994?

CVE-2020-1994 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1994?

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

When was CVE-2020-1994 published?

CVE-2020-1994 was published on 2020-05-13 and last updated on 2026-06-17.

CVE-2020-1994

CVE-2020-1994 is a medium-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 4.1. 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-377.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
CVSS v2: 4.9
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-377
Affected product: Paloaltonetworks Pan-os
Published: 2020-05-13
Last modified: 2026-06-17

Description

A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.

Frequently asked questions

What is CVE-2020-1994?: A predictable temporary file vulnerability in PAN-OS allows a local authenticated user with shell access to corrupt arbitrary system files affecting the integrity of the system. This issue affects: All versions of PAN-OS 7.1 and 8.0; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.7.
How severe is CVE-2020-1994?: CVE-2020-1994 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-1994 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1994?: CVE-2020-1994 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1994?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1994 published?: CVE-2020-1994 was published on 2020-05-13 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2020-1994

Affected products (1)

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

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