VulnerabilityModified
CVE-2020-25242
A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl.
HIGH 7.5EPSS 1.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- siemens/simatic net cp 343-1 advanced firmware · siemens/simatic net cp 343-1 lean firmware · siemens/simatic net cp 343-1 standard firmware
- Source
- productcert@siemens.com
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07Third Party Advisory, US Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.