CVE record · CVE-2021-3042

Cortex XDR Agent: Improper Control of User-Controlled File Leads to Local Privilege Escalation

CVSS 7.8 HighEPSS 0.0025 · 16th percentile

Published by the CVE Program (CNA: palo_alto) at 15 Jul 2021, 16:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Palo Alto Networks	Cortex XDR Agent	unaffected 5.0 all
Palo Alto Networks	Cortex XDR Agent	affected 6.1.* without content update 181 or later unaffected 6.1.* with content update 181 or later affected 7.2.* without content update 181 or later
Palo Alto Networks	Cortex XDR Agent	unaffected 7.2.* with content update 181 or later unaffected 7.3.* with content update 181 or later affected 7.3.* without content update 181 or later

Identifiers: CVE-2021-3042
CNA: palo_alto
Weakness (CWE): CWE-427
Tags: Palo Alto Networks Cortex XDR Agent
CWE-427
Published: 15 Jul 2021
Updated: 17 Sept 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (palo_alto)

CISA KEV Not listed.
EPSS 0.0025, the 16th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Jul 2021. New records show when each source confirmed them.

Sources

References from the CNA

security.paloaltonetworks.com/CVE-2021-3042

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.