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CVE-2021-44492

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000....

7.5 HighFix available

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

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

1.66%Up 0.8 points since Apr 16, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
CVE-2021-44492
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

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
CVE-2021-44492
Updated
2026-11-02
EUVDEUVD-2021-31325 No score

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
EUVD-2021-31325
Updated
2026-11-03
GitHub AdvisoriesGHSA-5595-3x49-32p2 7.5

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000....

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
GHSA-5595-3x49-32p2
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

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
CVE-2021-44492
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-2021-44492 7.5

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
DEBIAN-CVE-2021-44492
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-2021-44492 7.5

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.

Record
UBUNTU-CVE-2021-44492
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
OSVUSN-7422-1 No score

fis-gtm vulnerabilities

It was discovered that FIS-GT.M could incorrectly dereference memory in certain instances. An attacker could possibly use this issue to cause FIS-GT.M to crash, resulting in a denial of service. (CVE-2021-44492, CVE-2021-44498, CVE-2021-44508)

It was discovered that FIS-GT.M could perform a division by zero due to a lack of input validation. An attacker could possibly use this issue to cause FIS-GT.M to crash, resulting in a denial of service. (CVE-2021-44500)

It was discovered that FIS-GT.M could be forced to allocate memory of a chosen size through crafted input. An attacker could possibly use this issue to exhaust the available memory of FIS-GT.M, leading to a crash that would result in a denial of service. (CVE-2021-44502)

It was discovered that FIS-GT.M could be forced to read from uninitialized memory due to a lack of input validation. An attacker could possibly use this issue to cause FIS-GT.M to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2021-44506)

It was discovered that FIS-GT.M could crash due to an integer underflow. An attacker could possibly use this issue to cause a denial of service. (CVE-2021-44509, CVE-2021-44510)

Record
USN-7422-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
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:16.04:LTS
 before 6.2-002A-2ubuntu0.1~esm1, plus listed versions
6.2-002A-26.2-002A-2build1
6.2-002A-2ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:18.04:LTS
 before 6.3-003A-2ubuntu0.1~esm1, plus listed versions
6.3-000A-16.3-002-36.3-002-46.3-003A-2
6.3-003A-2ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:20.04:LTS
 before 6.3-007-1ubuntu0.1~esm1, plus listed versions
6.3-007-1
6.3-007-1ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:22.04:LTS
 before 6.3-014-3ubuntu0.1~esm1, plus listed versions
6.3-014-3
6.3-014-3ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:16.04:LTS
From an advisory covering 8 CVEs
 before 6.2-002A-2ubuntu0.1~esm1, plus listed versions
6.2-002A-26.2-002A-2build1
6.2-002A-2ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:18.04:LTS
From an advisory covering 8 CVEs
 before 6.3-003A-2ubuntu0.1~esm1, plus listed versions
6.3-000A-16.3-002-36.3-002-46.3-003A-2
6.3-003A-2ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:20.04:LTS
From an advisory covering 8 CVEs
 before 6.3-007-1ubuntu0.1~esm1, plus listed versions
6.3-007-1
6.3-007-1ubuntu0.1~esm1
fis-gtm
Ubuntu:Pro:22.04:LTS
From an advisory covering 8 CVEs
 before 6.3-014-3ubuntu0.1~esm1, plus listed versions
6.3-014-3
6.3-014-3ubuntu0.1~esm1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-44492 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 1.66%, the 76th percentile. Fixed in fis-gtm 7.0-002-1.

References

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