Is CVE-2021-44489 actively exploited?

No active exploitation of CVE-2021-44489 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-44489 be exploited remotely?

Yes. CVE-2021-44489 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-44489?

CVE-2021-44489 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2021-44489

HIGH

CVE-2021-44489

CWE-191Published: 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 an integer underflow of the size of calls to memset in op_fnj3 in sr_port/op_fnj3.c in order to cause a segmentation fault and crash the application. This is a "- digs" subtraction.

NVD Source

Technical Analysis

CVE-2021-44489 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.