CVE-2020-1993: palo alto networks pan-os Session Fixation
Vulnerability summary
CVE-2020-1993 is a medium (CVSS 5.5) Session Fixation vulnerability in palo alto networks pan-os. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.4% of scored vulnerabilities.
Timeline
- 13-05-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The GlobalProtect Portal feature in PAN-OS does not set a new session identifier after a successful user login, which allows session fixation attacks, if an attacker is able to control a user's session ID. This issue affects: All PAN-OS 7.1 and 8.0 versions; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.8.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Palo alto networks1 product
- pan-osEOL≥ 8.0.0, < 8.1.0 | ≥ 7.1.0, < 7.2.0 | ≥ 8.1, < 8.1.14 | ≥ 9.0, < 9.0.8
Paloaltonetworks1 product
- pan-os≥ 7.1.0, ≤ 7.1.26 | ≥ 8.0.0, ≤ 8.0.20 | ≥ 8.1.0, ≤ 8.1.13 | ≥ 9.0.0, ≤ 9.0.7
2 vendors · 2 products