CVE-2021-22664
Delta Industrial Automation CNCSoft-B DOPSoft DPA File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
CNCSoft-B versiones 1.0.0.3 y anteriores, son vulnerables a una escritura fuera de límites, lo que puede permitir a un atacante ejecutar código arbitrario
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation CNCSoft-B DOPSoft. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of DPA files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-01-05 CVE Reserved
- 2021-04-22 CVE Published
- 2024-05-14 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
| URL | Tag | Source |
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| https://us-cert.cisa.gov/ics/advisories/icsa-21-110-05 | Third Party Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-21-444 | Third Party Advisory |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Criticalmanufacturing Search vendor "Criticalmanufacturing" | Cncsoft-b Search vendor "Criticalmanufacturing" for product "Cncsoft-b" | <= 1.0.0.3 Search vendor "Criticalmanufacturing" for product "Cncsoft-b" and version " <= 1.0.0.3" | - |
Affected
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