CVE-2021-3042
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
A local privilege escalation (PE) vulnerability exists in the Palo Alto Networks Cortex XDR agent on Windows platforms that enables an authenticated local Windows user to execute programs with SYSTEM privileges. Exploiting this vulnerability requires the user to have file creation privilege in the Windows root directory (such as C:\). This issue impacts: All versions of Cortex XDR agent 6.1 without content update 181 or a later version; All versions of Cortex XDR agent 7.2 without content update 181 or a later version; All versions of Cortex XDR agent 7.3 without content update 181 or a later version. Cortex XDR agent 5.0 versions are not impacted by this issue. Content updates are required to resolve this issue and are automatically applied for the agent.
Overview
- CVE ID
- CVE-2021-3042
- Assigner
- psirt@paloaltonetworks.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-15T17:15:08
- Last Modified Date
- 2021-07-27T14:56:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:paloaltonetworks:cortex_xdr_agent:6.1:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:paloaltonetworks:cortex_xdr_agent:7.2:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:paloaltonetworks:cortex_xdr_agent:7.2:content_update149:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:paloaltonetworks:cortex_xdr_agent:7.2:content_update150:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:paloaltonetworks:cortex_xdr_agent:7.3:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2021-3042 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3042 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3042 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:52:50 | Added to TrackCVE | |||
| 2022-12-05 06:15:41 | 2021-07-15T17:15Z | 2021-07-15T17:15:08 | CVE Published Date | updated |
| 2022-12-05 06:15:41 | 2021-07-27T14:56:23 | CVE Modified Date | updated | |
| 2022-12-05 06:15:41 | Analyzed | Vulnerability Status | updated |