CVE-2021-3042
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | Cortex XDR Agent | 5.0 all | unaffected |
| Palo Alto Networks | Cortex XDR Agent | 6.1.* without content update 181 or later | affected |
| Palo Alto Networks | Cortex XDR Agent | 6.1.* with content update 181 or later | unaffected |
| Palo Alto Networks | Cortex XDR Agent | 7.2.* without content update 181 or later | affected |
| Palo Alto Networks | Cortex XDR Agent | 7.2.* with content update 181 or later | unaffected |
| Palo Alto Networks | Cortex XDR Agent | 7.3.* with content update 181 or later | unaffected |
| Palo Alto Networks | Cortex XDR Agent | 7.3.* without content update 181 or later | affected |
Weaknesses
- CWE-427: CWE-427 Uncontrolled Search Path Element
Workarounds
This issue is mitigated by preventing local authenticated Windows users from creating files in the Windows root directory (such as C:).
ADP Enrichment
CVE Program Container
Additional References
References
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