CVE-2018-13815
A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.80%). 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 S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening a sufficient number of connections to the device. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. The vulnerability, if exploited, could cause a Denial-of-Service condition impacting the availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.
- 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
- 1.80% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-410, CWE-400
- Affected
- siemens/simatic s7-1200 firmware · siemens/simatic s7-1500 firmware
- Source
- productcert@siemens.com
References
- http://www.securityfocus.com/bid/105928Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdfVendor Advisory
- http://www.securityfocus.com/bid/105928Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.