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CVE-2020-2001

27
FAUCET Score

CVE-2020-2001 is a critical vulnerability affecting Palo Alto Networks PAN-OS Panorama versions 7.1, 8.0, and specific 8.1 and 9.0 versions. It allows an unauthenticated attacker with network access to the PAN-OS management interface to write arbitrary files and elevate privileges due to an external control of path and data flaw in the XSLT processing logic. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a significant risk, enabling full compromise of confidentiality, integrity, and availability without user interaction. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has not been added to CISA's KEV catalog, nor has it garnered significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.1.0, <= 7.1.26CPE matchmatch criteria
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.0.20CPE matchmatch criteria
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
>= 8.1.0, < 8.1.12CPE matchmatch criteria
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
>= 9.0.0, < 9.0.6CPE matchmatch criteria
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
>= 8.1, < 8.1.12CPE match
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 55th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

paloaltovendor investigatingvia nvd_reference
View patch

References

security.paloaltonetworks.com / CVE-2020-2001
Vendor Advisory