8.5

CVE-2021-3054: palo alto networks pan-os

CVSS: 8.5v2.0HighModified
Published 08-09-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-3054 is a high (CVSS 8.5) vulnerability in palo alto networks pan-os. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.8% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v2.0 (NVD)
EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A time-of-check to time-of-use (TOCTOU) race condition vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator with permission to upload plugins to execute arbitrary code with root user privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11; PAN-OS 10.0 versions earlier than PAN-OS 10.0.7; PAN-OS 10.1 versions earlier than PAN-OS 10.1.2. This issue does not affect Prisma Access.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.92% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks1 product
  • pan-os≥ 8.1, < 8.1.20 | ≥ 9.0, < 9.0.14 | ≥ 10.0, < 10.0.7 | ≥ 9.1, < 9.1.11 | ≥ 10.1, < 10.1.2
Paloaltonetworks1 product
  • pan-os≥ 8.1.0, < 8.1.20 | ≥ 9.0.0, < 9.0.14 | ≥ 9.1.0, < 9.1.11 | ≥ 10.0.0, < 10.0.7 | ≥ 10.1.0, < 10.1.2

2 vendors · 2 products

References

1 links