9.8

CVE-2020-1992: palo alto networks pan-os

CVSS: 9.8v3.1CriticalModified
Published 08-04-2020Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-1992 is a critical (CVSS 9.8) vulnerability in palo alto networks pan-os. EPSS estimates a 3.45% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.45%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.45% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks1 product
  • pan-os≥ 9.0, < 9.0.7 | ≥ 9.1, < 9.1.2
Paloaltonetworks1 product
  • pan-os≥ 9.0.0, < 9.0.7 | ≥ 9.1.0, < 9.1.2

2 vendors · 2 products

References

1 links