Auth bypass in Palo Alto Networks Pan-Os
CVE-2020-1998
An improper authorization vulnerability in PAN-OS that mistakenly uses the permissions of local linux users instead of the intended SAML permissions of the account when the username is shared for the purposes of SSO authentication. This can result in authentication bypass and unintended resource access for the user. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; PAN-OS 9.1 versions earlier than 9.1.1; All versions of PAN-OS 8.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Palo Alto Networks Pan-Os — versions 8.0.*, 8.1, 7.1
- Paloaltonetworks Pan-Os
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2020-1998 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1998?
- CVE-2020-1998 is a medium-severity vulnerability in Palo Alto Networks Pan-Os, classified under Improper Authorization. CVSS score: 5.4/10. Published 2020-05-13.
- How severe is CVE-2020-1998?
- Medium severity. CVSS v3 base score is 5.4 out of 10.