CVE-2017-9938
A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition. The service restarts automatically.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.90% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787, CWE-20
- Affected
- siemens/simatic logon
- Source
- productcert@siemens.com
References
- http://www.securityfocus.com/bid/99539Third Party Advisory, VDB Entry
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdfVendor Advisory
- https://www.tenable.com/security/research/tra-2017-34
- http://www.securityfocus.com/bid/99539Third Party Advisory, VDB Entry
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdfVendor Advisory
- https://www.tenable.com/security/research/tra-2017-34
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.