VulnerabilityModified
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.
HIGH 7.8EPSS 1.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.56% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- criticalmanufacturing/cncsoft-b
- Source
- ics-cert@hq.dhs.gov
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-110-05Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-21-444/Third Party Advisory, VDB Entry
- https://us-cert.cisa.gov/ics/advisories/icsa-21-110-05Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-21-444/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.