9.3

CVE-2020-2018: palo alto networks pan-os Improper Authentication

CVSS: 9.3v2.0HighModified
Published 13-05-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-2018 is a high (CVSS 9.3) Improper Authentication vulnerability in palo alto networks pan-os. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.36%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-05-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

An authentication bypass vulnerability in the Panorama context switching feature allows an attacker with network access to a Panorama's management interface to gain privileged access to managed firewalls. An attacker requires some knowledge of managed firewalls to exploit this issue. This issue does not affect Panorama configured with custom certificates authentication for communication between Panorama and managed devices. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.12; PAN-OS 9.0 versions earlier than 9.0.6; All versions of PAN-OS 8.0.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.03 pp

From 1.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.36%

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-osEOL≥ 8.0.0, < 8.1.0 | ≥ 7.1, < 7.1.26 | ≥ 8.1, < 8.1.12 | ≥ 9.0, < 9.0.6
Paloaltonetworks1 product
  • pan-os≥ 7.1.0, < 7.1.26 | ≥ 8.0.0, ≤ 8.0.20 | ≥ 8.1.0, < 8.1.12 | ≥ 9.0.0, < 9.0.6

2 vendors · 2 products

References

1 links