CVE-2021-44144
Asterix Heap-based Buffer Overflow
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
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
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
CVE-2021-44144- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE ListNo score
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
CVE-2021-44144- Updated
- 2026-11-02
EUVDEUVD-2021-0027No score
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
EUVD-2021-0027- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mmf-v5q7-vw2w
Asterix Heap-based Buffer Overflow
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
GHSA-6mmf-v5q7-vw2w- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
CVE-2021-44144- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-6mmf-v5q7-vw2w
Asterix Heap-based Buffer Overflow
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
GHSA-6mmf-v5q7-vw2w- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVPYSEC-2021-860No score
Croatia Control Asterix 2.8.1 (python_v0.7.2) has a heap-based buffer over-read, with additional details to be disclosed at a later date.
- Record
PYSEC-2021-860- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
asterix-decoderPyPI | before 0.7.2 | 0.7.2 |
asterix-decoderPyPI | before 0.7.2, plus listed versions 0.1.00.2.00.3.00.4.00.4.1 Show 20 moreShow less0.4.20.5.00.5.10.5.100.5.110.5.120.5.130.5.140.5.150.5.160.5.20.5.50.5.60.5.70.5.80.5.90.6.00.6.10.7.00.7.1 | 0.7.2 |
asterix-decoderPyPI | before 0.7.2, plus listed versions 0.1.00.2.00.3.00.4.00.4.1 Show 45 moreShow less0.4.20.5.00.5.10.5.100.5.110.5.120.5.130.5.140.5.150.5.160.5.20.5.50.5.60.5.70.5.80.5.90.6.00.6.10.7.00.7.1v2.8.1.0v.2.8.1.0v2.8.1v2.8.0v2.7.1.1v2.7.1v2.7.0python_v0.5.16v2.6.1v2.6.0_deployv2.6.0python_v0.5.14pyhton_v0.5.13v2.5.4python_v0.5.12.2python_v.0.5.12.1python_v0.5.12python_v0.5.11v0.5.11v2.5.1python_v0.5.10.1pyhton_v0.5.10python_v0.5.10python_v0.5.9python_v0.5.8.1 | 0.7.2 |
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-2021-44144 is a critical vulnerability (CVSS 9.1) in Crocontrol Asterix, published November 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. Fixed in asterix-decoder 0.7.2.
References
github.com/CroatiaControlLtd/asterix/issues/183
nvd.nist.gov/vuln/detail/CVE-2021-44144
web.archive.org/web/20221207104133/https://huntr.dev/bounties/1-other-CroatiaControlLtd/asterix
Left out here: 31 versions. The JSON record has them.