5.5

CVE-2020-1993: palo alto networks pan-os Session Fixation

CVSS: 5.5v2.0MediumModified
Published 13-05-2020Last modified 16-09-2024

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
0.43%
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. 13-05-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last 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

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

21-09-202621-10-2026
EPSS score
0.43%

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 | ≥ 7.1.0, < 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

References

1 links