CVE-2021-44496
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using...
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
CVE-2021-44496- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
CVE-2021-44496- Updated
- 2026-11-02
EUVDEUVD-2021-31329 No score
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
EUVD-2021-31329- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7c8m-rjpw-8hh3
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using...
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
GHSA-7c8m-rjpw-8hh3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
CVE-2021-44496- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-44496
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
DEBIAN-CVE-2021-44496- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-44496
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
- Record
UBUNTU-CVE-2021-44496- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fis-gtmDebian:12 |
All versions, plus listed versions 7.0-005-17.0-005-27.0-005-2.17.1-005-17.1-006-17.1-008-17.2-000-17.2-000-2 |
None known |
fis-gtmDebian:13 |
before 7.1-006-1 | 7.1-006-1 |
fis-gtmDebian:14 |
before 7.1-006-1 | 7.1-006-1 |
fis-gtmUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 6.2-002A-26.2-002A-2build16.2-002A-2ubuntu0.1~esm1 |
None known |
fis-gtmUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 6.3-000A-16.3-002-36.3-002-46.3-003A-26.3-003A-2ubuntu0.1~esm1 |
None known |
fis-gtmUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 6.3-007-16.3-007-1ubuntu0.1~esm1 |
None known |
fis-gtmUbuntu:22.04:LTS |
All versions, plus listed versions 6.3-014-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44496 is a critical vulnerability (CVSS 9.8) 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 2.20%, the 82nd percentile. Fixed in fis-gtm 7.1-006-1.
References
sourceforge.net/projects/fis-gtm/files
gitlab.com/YottaDB/DB/YDB/-/issues/828
tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.html
nvd.nist.gov/vuln/detail/CVE-2021-44496
github.com/advisories/GHSA-7c8m-rjpw-8hh3
security-tracker.debian.org/tracker/CVE-2021-44496
ubuntu.com/security/CVE-2021-44496
cve.org/CVERecord?id=CVE-2021-44496