CVE-2020-1992
Palo Alto Networks PAN-OS Format String Vulnerability in Varrcvr Daemon Leads to Denial of Service and Root Code Execution
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.
INFO
Published Date :
April 8, 2020, 7:15 p.m.
Last Modified :
April 10, 2020, 1:16 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-1992.
| URL | Resource |
|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1992 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-1992 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-1992 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 10, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://security.paloaltonetworks.com/CVE-2020-1992 No Types Assigned https://security.paloaltonetworks.com/CVE-2020-1992 Vendor Advisory Added CWE NIST CWE-134 Added CPE Configuration AND OR *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.7 *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 9.1.0 up to (excluding) 9.1.2 OR cpe:2.3:h:paloaltonetworks:pa-7050:-:*:*:*:*:*:*:* cpe:2.3:h:paloaltonetworks:pa-7080:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-1992 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-1992
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.26 }} 0.33%
score
0.85572
percentile