CVE-2020-1993 json
PAN-OS: GlobalProtect Portal PHP session fixation vulnerability
published 2020-05-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12783
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Palo Alto Networks PAN-OS 8.1.14, 9.0.8
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:P/I:P/A:N |
Affected products
- Palo Alto Networks PAN-OS
Classification
- Weakness
-
- CWE-384 Session Fixation
- Technology feeds
References
-
security.paloaltonetworks.com
/CVE-2020-1993
vendor-advisory
Sources
- CVE List CVE-2020-1993
- NVD CVE-2020-1993
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