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CVE-2020-1978

14
FAUCET Score

CVE-2020-1978 describes a vulnerability in Palo Alto Networks VM-Series firewalls for Microsoft Azure configured with high availability (HA), specifically affecting VM Series Plugin versions before 1.0.9 for PAN-OS 9.0. TechSupport files inadvertently collected Azure dashboard service account credentials equivalent to a Contributor role. The vulnerability has a CVSS score of 4.4 (MEDIUM), indicating that an attacker with high privileges and local access could gain full management control over Azure resources within the subscription, though not direct VM access. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Palo Alto Networks has addressed the issue by filtering these credentials from TechSupport files and safely deleting previously collected ones.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0, < 1.0.9CPE matchmatch criteria
cpe:2.3:a:paloaltonetworks:vm-series:*:*:*:*:*:azure:*:*
9.0.0CPE matchmatch criteria
cpe:2.3:o:paloaltonetworks:pan-os:9.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
22.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 70th percentile among its peer group of 3,720 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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-2020-1978
Vendor Advisory