Vulnerability Details : CVE-2020-1992
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2020-1992
- cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
- cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1992
1.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1992
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
Palo Alto Networks, Inc. |
CWE ids for CVE-2020-1992
-
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.Assigned by:
- nvd@nist.gov (Primary)
- psirt@paloaltonetworks.com (Secondary)
References for CVE-2020-1992
-
https://security.paloaltonetworks.com/CVE-2020-1992
CVE-2020-1992 PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalationVendor Advisory
Jump to