Is CVE-2020-1991 in the CISA KEV catalog?

No. CVE-2020-1991 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1991?

CVE-2020-1991 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-1991?

CVE-2020-1991 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1991?

Upgrade traps to 6.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2020-1991

HIGH

7.8

CVSS v3

NVD

Description

An insecure temporary file vulnerability in Palo Alto Networks Traps allows a local authenticated Windows user to escalate privileges or overwrite system files. This issue affects Palo Alto Networks Traps 5.0 versions before 5.0.8; 6.1 versions before 6.1.4 on Windows. This issue does not affect Cortex XDR 7.0. This issue does not affect Traps for Linux or MacOS.

CWE-377 CWE-269Improper Privilege Management

How to fix

Remediation Available

trapsNVD

Affected:>= 6.1, < 6.1.4Fixed in:6.1.4CVE-2020-1991derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Vendor Advisory1

security.paloaltonetworks.com

Related Vulnerabilities

Other CWE-377 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-5224	Critical	9.8	4.5%	-	Fix
CVE-2026-20204	High	7.1	3.3%	-	Fix
CVE-2018-3710	High	7.8	2.9%	-	Fix
CVE-2017-16024	Medium	6.5	2.6%	-	Fix
CVE-2012-2666	Critical	9.8	1.9%	-	-
CVE-2018-16494	High	8.8	1.9%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.