CVE-2020-1992
PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation
HIGH 8.1
At a glance
- Source
- NVD
- EPSS
- EPSS 3.45 % · percentile 89 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- palo_alto
- NVD status
- Modified
Description
A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.
Weaknesses (CWE)
- CWE-134 — Use of Externally-Controlled Format String
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | palo_alto |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@paloaltonetworks.com (Secondary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-12782
- GCVE · GCVE-0-2020-1992
CERT-FR advisories
- CERTFR-2020-AVI-197 — Multiples vulnérabilités dans les produits Palo Alto · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.0.7cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*≥ 9.1.0 < 9.1.2
Affected products
| Product | Versions |
|---|---|
| Palo Alto Networks · PAN-OS | affected 9.0 < 9.0.7 ; affected 9.1 < 9.1.2 |
| Palo Alto Networks · PAN-OS | unaffected 8.1.* ; unaffected 8.0.* ; unaffected 7.1.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |