Vulnerability in Palo Alto Networks Pan-Os
CVE-2020-1999
A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique evades signature-based threat detection. This issue impacts: PAN-OS 8.1 versions earlier than 8.1.17; PAN-OS 9.0 versions earlier than 9.0.11; PAN-OS 9.1 versions earlier than 9.1.5; All versions of PAN-OS 7.1 and PAN-OS 8.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (70.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Palo Alto Networks Pan-Os — versions 7.1.*, 8.0.*, 10.0.*
- Paloaltonetworks Pan-Os
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2020-1999 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1999?
- CVE-2020-1999 is a medium-severity vulnerability in Palo Alto Networks Pan-Os, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2020-11-12.
- How severe is CVE-2020-1999?
- Medium severity. CVSS v3 base score is 5.3 out of 10.