The CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create arbitrary directories under the web root by specifying a non-existent directory using \ (backslash) characters in an HTTP GET request.
Product
3ssoftware codesys vulnerabilities
4 published CVES affecting 3ssoftware codesys, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 2
- Medium
- 2
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest 3ssoftware codesys CVEs
Newest publication first
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MediumCVSS 6.4 EPSS 1.8%
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HighCVSS 7.5 EPSS 5.0%
Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.
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HighCVSS 10.0 EPSS 72.7% Framework module Public exploit
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
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MediumCVSS 5.0 EPSS 10.4%
The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.