CVE-2021-44507

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack...

7.5 HighFix available

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack of parameter validation in calls to memcpy in str_tok in sr_unix/ztimeoutroutines.c allows attackers to attempt to read from a NULL pointer.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.55%Up 0.7 points since Apr 16, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2021-44507
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-44507
Updated: 2026-11-02

EUVDEUVD-2021-31340 No score

Record: EUVD-2021-31340
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5pf8-vf72-97xp 7.5

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack...

Record: GHSA-5pf8-vf72-97xp
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSV 7.5

Record: CVE-2021-44507
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2021-44507 7.5

Record: DEBIAN-CVE-2021-44507
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-44507 7.5

Record: UBUNTU-CVE-2021-44507
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

fisglobal gt.m

Affected packages

Affected packages
Package	Affected	Fixed
`fis-gtm` Debian:12	before 7.0-002-1	7.0-002-1
`fis-gtm` Debian:13	before 7.0-002-1	7.0-002-1
`fis-gtm` Debian:14	before 7.0-002-1	7.0-002-1
`fis-gtm` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 6.3-007-16.3-007-1ubuntu0.1~esm1	None known
`fis-gtm` Ubuntu:22.04:LTS	All versions, plus listed versions 6.3-014-3	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44507 is a high vulnerability (CVSS 7.5) in Fisglobal Gt.m, published April 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.55%, the 75th percentile. Fixed in fis-gtm 7.0-002-1.