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CVE Record

CVE-2021-44484: An issue was discovered in YottaDB through r1.32 and V7.0-000.

An issue was discovered in YottaDB through r1.32 and V7.0-000. A lack of NULL checks in calls to emit_trip in sr_port/emit_code.c allows attackers to crash the application by dereferencing a NULL pointer.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE describes a crash condition in YottaDB through r1.32 and V7.0-000. A missing NULL check can let an attacker trigger a NULL pointer dereference, causing the affected application to crash. The public bundle does not provide CVSS, affected deployment details, or a named fixed version.

Executive priority

Treat this as a targeted availability risk, not a confirmed breach indicator. Prioritize systems where YottaDB supports critical services or processes untrusted input. Urgency is hard to score because public severity, exploitability, and fix details are incomplete.

Technical view

The issue is in sr_port/emit_code.c, where calls to emit_trip lack NULL checks. If attacker-controlled conditions can reach this code path, dereferencing NULL can terminate the process. The sources identify denial-of-service impact but do not establish remote reachability, required privileges, exploit maturity, or remediation version.

Likely exposure

Exposure is likely limited to environments running YottaDB through r1.32 or V7.0-000 where untrusted input can reach the affected code-generation path. The provided sources do not identify specific distributions, CPEs, internet-facing scenarios, or dependent applications.

Exploitation context

The CVE states attackers can crash the application, but the source bundle does not show active exploitation. It is not listed as CISA KEV. No public exploit status, attack vector, authentication requirement, or operational prerequisites are provided in the supplied evidence.

Researcher notes

Key gaps are attack vector, privilege requirement, affected runtime conditions, and fixed-version evidence. The provided CVE text supports a NULL pointer dereference denial-of-service finding only. Do not assume remote exploitability or broader YottaDB version impact without vendor confirmation.

Mitigation direction

  • Inventory YottaDB versions and identify systems running through r1.32 or V7.0-000.
  • Check YottaDB issue 828 and vendor release notes for confirmed remediation guidance.
  • Restrict untrusted access to workflows that invoke YottaDB code generation or compilation paths.
  • Monitor affected applications for unexplained crashes until remediation guidance is confirmed.

Validation and detection

  • Confirm installed YottaDB versions on application hosts and build environments.
  • Review application flows to determine whether untrusted users can trigger affected YottaDB processing.
  • Check crash logs for NULL dereference symptoms involving emit_code.c or emit_trip paths.
  • Track vendor issue 828 for fix status, affected-version clarification, and backport details.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2021-44484 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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