How severe is CVE-2021-44496?

CVE-2021-44496 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44496?

CVE-2021-44496 affects Fisglobal Gt.m. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44496?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-44496 published?

CVE-2021-44496 was published on 2022-04-15 and last updated on 2026-06-17.

CVE-2021-44496

CVE-2021-44496 is a critical-severity vulnerability in Fisglobal Gt.m with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Fisglobal Gt.m
Published: 2022-04-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-44496?: CVE-2021-44496 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44496?: CVE-2021-44496 affects Fisglobal Gt.m. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-44496 published?: CVE-2021-44496 was published on 2022-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fisglobal:gt.m:*:*:*:*:*:*:*:*

More vulnerabilities in Fisglobal Gt.m

CVE-2021-44486 — Critical (CVSS 9.8): An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can manipulate the value…
CVE-2021-44488 — Critical (CVSS 9.1): An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can control the size and…
CVE-2021-44510 — High (CVSS 7.5): An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, attackers…
CVE-2021-44509 — High (CVSS 7.5): An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, attackers…
CVE-2021-44508 — High (CVSS 7.5): An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack of NULL checks in calls…
CVE-2021-44507 — High (CVSS 7.5): An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack of parameter validation…

All CVEs affecting Fisglobal Gt.m →

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