HOMEVULNERABILITIESCVE-2021-44491
HIGH

CVE-2021-44491

CWE-682Published: April 15, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can cause a calculation of the size of calls to memset in op_fnj3 in sr_port/op_fnj3.c to result in an extremely large value in order to cause a segmentation fault and crash the application. This is a digs-- calculation.

NVD Source

Technical Analysis

CVE-2021-44491 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

fisglobal1 product(s)
gt.m
yottadb1 product(s)
yottadb
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

https://gitlab.com/YottaDB/DB/YDB/-/issues/828Exploit · Issue Tracking · Third Party Advisory
https://gitlab.com/YottaDB/DB/YDB/-/issues/828Exploit · Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2021-44491
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-682
CISA KEVNo
Affected2 vendor(s)
PublishedApr 15, 2022

Related CVEs (CWE-682)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-44491 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.