Security readout for executives and security teams
Plain-English summary
This FreeBSD issue affects the ggatec daemon. A malicious actor with a privileged network position could send an oversized response that overwrites stack memory, potentially leading to arbitrary code execution. The cited sources do not show active exploitation.
Executive priority
Prioritize remediation where FreeBSD systems use ggatec or support sensitive infrastructure. The business risk is potentially serious because code execution is possible, but urgency depends on whether the daemon is present and reachable.
Technical view
ggatec fails to validate response size before copying data into a fixed-size stack buffer. A crafted response from a privileged network position may trigger stack corruption and potential code execution. Affected releases include FreeBSD 13.0 before p4, 12.2 before p10, and 11.4 before p13, plus listed STABLE revisions.
Likely exposure
Exposure is most likely on FreeBSD systems running the affected releases where ggatec is installed, enabled, or operationally reachable. Organizations should verify FreeBSD version, patch level, and whether ggatec is used in production workflows.
Exploitation context
The source bundle describes a malicious attacker in a privileged network position. It does not cite public exploitation, KEV listing, exploit availability, or observed attacks. Treat exploitation evidence as incomplete rather than confirmed.
Researcher notes
The record lacks CVSS, CWE, and detailed exploit telemetry. The strongest source-grounded facts are affected FreeBSD versions, the fixed-buffer response-size validation flaw, privileged network-position prerequisite, and potential arbitrary code execution.
Mitigation direction
- Upgrade FreeBSD 13.0 to p4 or later if still in use.
- Upgrade FreeBSD 12.2 to p10 or later if still in use.
- Upgrade FreeBSD 11.4 to p13 or later if still in use.
- Review FreeBSD-SA-21:14.ggatec for branch-specific corrective guidance.
- Check NetApp advisory NTAP-20210923-0005 for any relevant vendor context.
Validation and detection
- Inventory FreeBSD hosts and compare release patch levels against affected versions.
- Confirm whether ggatec is installed, enabled, or used on each FreeBSD host.
- Review change records for the FreeBSD advisory fix or later supported upgrade.
- Check network architecture for paths where privileged-position attackers could influence ggatec responses.
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.
Execution 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-2021-29630 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security.freebsd.org/advisories/FreeBSD-SA-21:14.ggatec.ascCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210923-0005/CVE 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.