CVE-2020-27287
Delta Industrial Automation CNCSoft-B DOPSoft XLS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
Delta Electronics CNCSoft-B versiones 1.0.0.2 y anteriores es vulnerable a una escritura fuera de límites mientras procesa archivos de proyecto, 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. 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 XLS files in the DOPSoft application. The issue results from the lack of proper validation of user-supplied data, which can result in a write after the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-10-19 CVE Reserved
- 2021-01-11 CVE Published
- 2024-08-04 CVE Updated
- 2024-11-15 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-007-04 | Third Party Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-21-030 | Third Party Advisory |
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| https://www.zerodayinitiative.com/advisories/ZDI-21-031 | Third Party Advisory |
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| https://www.zerodayinitiative.com/advisories/ZDI-21-041 | Third Party Advisory |
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| https://www.zerodayinitiative.com/advisories/ZDI-21-043 | Third Party Advisory |
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| https://www.zerodayinitiative.com/advisories/ZDI-21-044 | 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 |
| Deltaww Search vendor "Deltaww" | Cncsoft-b Search vendor "Deltaww" for product "Cncsoft-b" | <= 1.0.0.2 Search vendor "Deltaww" for product "Cncsoft-b" and version " <= 1.0.0.2" | - |
Affected
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