CVE-2017-6867
What it is
A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.
At a glance
- Exploitability
- Can be exploited over the network with an admin-level account. High risk of service disruption.
- Exploit odds
- 1.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.9% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.9% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Siemens Simatic Wincc 7.3
- Siemens Simatic Wincc 7.4
- Siemens Simatic Wincc \(tia portal\) 13
- Siemens Simatic Wincc \(tia portal\) 14
- Siemens Simatic Wincc Runtime 13
- Siemens Simatic Wincc Runtime 14
Attack profile CVSS 3.0 · 4.9
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-6867.md and follow it. Check whether this project is affected by CVE-2017-6867. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf
References
- http://www.securityfocus.com/bid/98368
- https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf
- http://www.securityfocus.com/bid/98368
- https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf