VulnerabilityModified
CVE-2023-43492
In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.
CRITICAL 9.8EPSS 0.88%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.88% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- weintek/cmt-fhd firmware · weintek/cmt-hdm firmware · weintek/cmt3071 firmware · weintek/cmt3072 firmware · weintek/cmt3090 firmware · weintek/cmt3103 firmware · weintek/cmt3151 firmware
- Source
- ics-cert@hq.dhs.gov
References
- https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdfExploit, Vendor Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12Third Party Advisory, US Government Resource
- https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdfExploit, Vendor Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.