How severe is CVE-2021-44144?

CVE-2021-44144 has a CVSS 3.x base score of 9.1, 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 none, and availability high.

Is CVE-2021-44144 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44144?

CVE-2021-44144 affects Crocontrol Asterix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44144?

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-2021-44144 published?

CVE-2021-44144 was published on 2021-11-22 and last updated on 2026-06-17.

CVE-2021-44144

CVE-2021-44144 is a critical-severity vulnerability in Crocontrol Asterix with a CVSS 3.x base score of 9.1. 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-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Crocontrol Asterix
Published: 2021-11-22
Last modified: 2026-06-17

Description

Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.

Frequently asked questions

What is CVE-2021-44144?: Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
How severe is CVE-2021-44144?: CVE-2021-44144 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2021-44144 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44144?: CVE-2021-44144 affects Crocontrol Asterix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44144?: 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-2021-44144 published?: CVE-2021-44144 was published on 2021-11-22 and last updated on 2026-06-17.

References

https://github.com/CroatiaControlLtd/asterix/issues/183

Affected products (1)

cpe:2.3:a:crocontrol:asterix:2.8.1:*:*:*:*:*:*:*

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