THREATPORT/VULNERABILITY/CVE-2020-1992
HIGH SEVERITY

CVE-2020-1992

Pan Os vulnerability

CVSS
8.1
EPSS
3.4%
EPSS pct
87th
Exploited
No known
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.
Affected vendor
Paloaltonetworks
Affected product
Pan Os
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-134 — Uncontrolled Format String
Published
2020-04-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2020-1992

  • Confirm whether Paloaltonetworks Pan Os is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-1992.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1992

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-1992 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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