6.8

CVE-2021-3046: palo alto networks pan-os Improper Authentication

CVSS: 6.8v3.1MediumModified
Published 11-08-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-3046 is a medium (CVSS 6.8) Improper Authentication vulnerability in palo alto networks pan-os. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.12%
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. 11-08-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. PAN-OS 10.1 versions are not impacted.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.12%

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, < 8.1.19 | ≥ 9.0, < 9.0.14 | ≥ 9.1, < 9.1.9 | ≥ 10.0, < 10.0.5
Paloaltonetworks1 product
  • pan-os≥ 8.1.0, < 8.1.19 | ≥ 9.0.0, < 9.0.14 | ≥ 9.1.0, < 9.1.9 | ≥ 10.0.0, < 10.0.5

2 vendors · 2 products

References

1 links