Security readout for executives and security teams
Plain-English summary
Mesa Labs AmegaView 3.0 and earlier contains a command injection flaw in its web server. An attacker with low-level access over the network could run operating-system commands, potentially taking over the affected system and disrupting monitored operations.
Executive priority
Prioritize this for urgent assessment because the flaw is critical and could permit command execution on systems supporting regulated monitoring operations. Immediate focus should be finding exposed AmegaView 3.0-or-earlier systems and following vendor or CISA guidance.
Technical view
CVE-2021-27449 is CWE-77 command injection in Mesa Labs AmegaView 3.0 and prior. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating network access, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where AmegaView web services are reachable on internal or remote networks and accessible to low-privileged users. The provided data does not identify specific deployments, default ports, or CPEs.
Exploitation context
The CVE description says exploitation can execute commands in the web server. KEV is false in the bundle, and no cited source here confirms active exploitation. Treat exploit availability and in-the-wild use as unconfirmed from the provided evidence.
Researcher notes
Core evidence is limited to CVE and CISA advisory references in the bundle. The affected version statement is clear, but product CPEs, affected components, patch details, and exploitation evidence are not provided here. Avoid assuming broader Mesa Labs product impact.
Mitigation direction
- Identify all Mesa Labs AmegaView deployments and confirm versions.
- Prioritize systems running AmegaView 3.0 or earlier.
- Check Mesa Labs and CISA guidance for supported fixes or mitigations.
- Restrict AmegaView web access to trusted administrative networks.
- Review accounts with access to the AmegaView web interface.
- Monitor affected hosts for suspicious process execution.
Validation and detection
- Inventory AmegaView instances and record installed versions.
- Confirm whether web access is reachable beyond trusted networks.
- Review authentication roles with access to the web interface.
- Check server logs for unusual command execution indicators.
- Document remediation status against vendor or CISA guidance.
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-77: 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-2021-27449 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
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03CVE reference · x_refsource_CONFIRM
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 a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.