4.4
MEDIUM
CVE-2021-3036
Palo Alto Networks PAN-OS XML API Cleartext Credentials Exposure Vulnerability
Description

An information exposure through log file vulnerability exists in Palo Alto Networks PAN-OS software where secrets in PAN-OS XML API requests are logged in cleartext to the web server logs when the API is used incorrectly. This vulnerability applies only to PAN-OS appliances that are configured to use the PAN-OS XML API and exists only when a client includes a duplicate API parameter in API requests. Logged information includes the cleartext username, password, and API key of the administrator making the PAN-OS XML API request.

INFO

Published Date :

April 20, 2021, 4:15 a.m.

Last Modified :

Nov. 21, 2024, 6:20 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.8
Public PoC/Exploit Available at Github

CVE-2021-3036 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-3036 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Paloaltonetworks pan-os
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-2021-3036.

URL Resource
https://security.paloaltonetworks.com/CVE-2021-3036 Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3036 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).

Exploit for CVE-2021-3036, HTTP Smuggling + buffer overflow in PanOS 8.x

Python

Updated: 1 year, 2 months ago
1 stars 1 fork 1 watcher
Born at : April 26, 2022, 8:41 a.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3036 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3036 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://security.paloaltonetworks.com/CVE-2021-3036
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 24, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Changed Reference Type https://security.paloaltonetworks.com/CVE-2021-3036 No Types Assigned https://security.paloaltonetworks.com/CVE-2021-3036 Vendor Advisory
    Added CWE NIST CWE-532
    Added CPE Configuration OR *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 8.1.0 up to (excluding) 8.1.19 *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.12 *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 9.1.0 up to (excluding) 9.1.6 *cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3036 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-2021-3036 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10264

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
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Integrity
Availability