CVE ID | CVE-2021-33000 |
CVSS SCORE | 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
AFFECTED VENDORS |
Advantech |
AFFECTED PRODUCTS |
WebAccess/HMI Designer |
VULNERABILITY DETAILS |
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/HMI Designer. 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 PM3 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. |
ADDITIONAL DETAILS |
This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline. 11/24/20 - ZDI reported the vulnerabilities to ICS-CERT -- Mitigation: |
DISCLOSURE TIMELINE |
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CREDIT | kimiya |