CVE-2021-22664
CVE-2021-22664 is a high-severity vulnerability in Criticalmanufacturing Cncsoft-b with a CVSS 3.x base score of 7.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Criticalmanufacturing Cncsoft-b
- Published:
- Last modified:
Description
CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds write, which may allow an attacker to execute arbitrary code.
Frequently asked questions
- What is CVE-2021-22664?
- CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds write, which may allow an attacker to execute arbitrary code.
- How severe is CVE-2021-22664?
- CVE-2021-22664 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-22664 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22664?
- CVE-2021-22664 affects Criticalmanufacturing Cncsoft-b. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-22664?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-22664 published?
- CVE-2021-22664 was published on 2021-04-27 and last updated on 2026-06-17.
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-110-05
- https://www.zerodayinitiative.com/advisories/ZDI-21-444/
Affected products (1)
- cpe:2.3:a:criticalmanufacturing:cncsoft-b:*:*:*:*:*:*:*:*
More vulnerabilities in Criticalmanufacturing Cncsoft-b
- CVE-2021-22660 — High (CVSS 7.8): CNCSoft-B Versions 1.0.0.3 and prior is vulnerable to an out-of-bounds read, which may allow an attacker to execute…
All CVEs affecting Criticalmanufacturing Cncsoft-b →
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