CVE-2022-21147 json
An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7.
published 2022-05-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-26393
- cvss
- 5.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2022-1452 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.0 | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- ESTsoft Alyac
Classification
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2022-1452
exploit, third-party-advisory
-
estsecurity.com
/public/product/alyac
product, vendor-advisory
Sources
- CVE List CVE-2022-21147
- NVD CVE-2022-21147
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