CVE-2020-2000: palo alto networks pan-os Improper Input Validation
Vulnerability summary
CVE-2020-2000 is a high (CVSS 9.0) Improper Input Validation vulnerability in palo alto networks pan-os. EPSS estimates a 3.37% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.
Timeline
- 12-11-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
An OS command injection and memory corruption vulnerability in the PAN-OS management web interface that allows authenticated administrators to disrupt system processes and potentially execute arbitrary code and OS commands with root privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.37%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.37% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Affected systems
Palo alto networks1 product
- pan-os≥ 8.1, < 8.1.16 | ≥ 9.0, < 9.0.10 | ≥ 9.1, < 9.1.4 | ≥ 10.0, < 10.0.1
Paloaltonetworks1 product
- pan-os≥ 8.1.0, < 8.1.16 | ≥ 9.0.0, < 9.0.10 | ≥ 9.1.0, < 9.1.4 | ≥ 10.0.0, < 10.0.1
2 vendors · 2 products