FIS GT.M up to 7.0-000 sr_port/op_fnj3.c op_fnj3 integer underflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in FIS GT.M up to 7.0-000. Affected by this vulnerability is the function op_fnj3 of the file sr_port/op_fnj3.c. This manipulation causes integer underflow.
This vulnerability is tracked as CVE-2021-44509. No exploit exists.
Details
A vulnerability has been found in FIS GT.M up to 7.0-000 and classified as critical. Affected by this vulnerability is the function op_fnj3 of the file sr_port/op_fnj3.c. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 04/15/2022 as 828. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2021-44509 since 12/01/2021. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 233969 (Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS : FIS-GT.M vulnerabilities (USN-7422-1)), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (233969). Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer underflowCWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 233969
Nessus Name: Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS : FIS-GT.M vulnerabilities (USN-7422-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/01/2021 🔍04/15/2022 🔍
04/15/2022 🔍
04/08/2025 🔍
Sources
Advisory: 828Status: Confirmed
CVE: CVE-2021-44509 (🔍)
GCVE (CVE): GCVE-0-2021-44509
GCVE (VulDB): GCVE-100-197527
Entry
Created: 04/15/2022 22:58Updated: 04/08/2025 03:35
Changes: 04/15/2022 22:58 (38), 04/21/2022 10:43 (1), 04/08/2025 03:35 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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