CVE-2022-21147
CVE-2022-21147 is a medium-severity vulnerability in Estsoft Alyac with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Estsoft Alyac
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2022-21147?
- 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.
- How severe is CVE-2022-21147?
- CVE-2022-21147 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-21147 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-21147?
- CVE-2022-21147 affects Estsoft Alyac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-21147?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-21147 published?
- CVE-2022-21147 was published on 2022-05-12 and last updated on 2026-06-17.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1452
- https://www.estsecurity.com/public/product/alyac
Affected products (1)
- cpe:2.3:a:estsoft:alyac:2.5.7.7:*:*:*:*:*:*:*
More vulnerabilities in Estsoft Alyac
- CVE-2022-32543 — High (CVSS 7.8): An integer overflow vulnerability exists in the way ESTsoft Alyac 2.5.8.544 parses OLE files. A specially-crafted OLE…
- CVE-2022-29886 — High (CVSS 7.8): An integer overflow vulnerability exists in the way ESTsoft Alyac 2.5.8.544 parses OLE files. A specially-crafted OLE…
- CVE-2022-43665 — Medium (CVSS 5.5): A denial of service vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.8.645. A…
All CVEs affecting Estsoft Alyac →
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