CVE-2020-2031
PAN-OS: Integer underflow in the management interface
MEDIUM 4.9
At a glance
- Source
- NVD
- EPSS
- EPSS 1.14 % · percentile 66 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- palo_alto
- NVD status
- Modified
Description
An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services.
Weaknesses (CWE)
- CWE-191 — Integer Underflow
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | palo_alto |
| CVSS 3.1 | MEDIUM 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | NVD · psirt@paloaltonetworks.com (Secondary) |
| CVSS 3.1 | MEDIUM 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-22057
- GCVE · GCVE-0-2020-2031
CERT-FR advisories
- CERTFR-2020-AVI-419 — Multiples vulnérabilités dans Palo Alto Networks PAN-OS · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*≥ 9.1.0 < 9.1.3
Affected products
| Product | Versions |
|---|---|
| Palo Alto Networks · PAN-OS | unaffected 9.0.* ; unaffected 8.1.* ; affected 9.1 < 9.1.3 |
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 |