Security readout for executives and security teams
Plain-English summary
This vulnerability lets a trusted PAN-OS administrator with CLI access run unintended operating system commands and potentially gain higher privileges. It is not a remote unauthenticated perimeter bug, but it matters because firewalls and Prisma Access are high-value control points.
Executive priority
Treat as a scheduled but important firewall maintenance item unless evidence of admin compromise exists. Prioritize internet-facing, shared-admin, and high-trust network control environments first.
Technical view
CVE-2021-3061 is CWE-78 command injection in the PAN-OS CLI. It affects PAN-OS versions before 8.1.20-h1, 9.0.14-h3, 9.1.11-h2, 10.0.8, and 10.1.3, plus impacted Prisma Access deployments identified by Palo Alto guidance.
Likely exposure
Exposure is likely where affected PAN-OS versions remain deployed and administrators can access the CLI. Risk is higher if admin accounts are shared, overprivileged, externally administered, or not strongly monitored.
Exploitation context
The provided bundle does not show KEV listing, public exploitation, or in-the-wild activity. Abuse requires authenticated administrator CLI access and high-complexity local conditions, so the main concern is compromised admin accounts or malicious insiders.
Researcher notes
The source data supports privilege escalation through authenticated CLI command injection, not unauthenticated remote compromise. Prisma Access version impact appears advisory-dependent, so validate exact tenant and firewall train status with Palo Alto documentation.
Mitigation direction
- Upgrade PAN-OS to the fixed versions listed in the advisory.
- Check Palo Alto guidance for Prisma Access remediation specifics.
- Restrict CLI access to required administrators only.
- Enforce MFA and least privilege for administrative accounts.
- Review administrator activity for suspicious CLI use or privilege changes.
Validation and detection
- Inventory PAN-OS versions across firewalls and management systems.
- Confirm no affected versions remain below the fixed releases.
- Verify Prisma Access exposure against Palo Alto’s advisory.
- Review admin account access paths to the CLI.
- Check logs for unexpected administrative CLI activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-3061 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H0.55.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://security.paloaltonetworks.com/CVE-2021-3061CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.