VulnerabilityModified
CVE-2018-7502
An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.
HIGH 7.8EPSS 0.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-822, CWE-20
- Affected
- beckhoff/twincat · beckhoff/twincat c\+\+
- Source
- ics-cert@hq.dhs.gov
References
- http://www.securityfocus.com/bid/103487Third Party Advisory, VDB Entry
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdfVendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02Mitigation, Third Party Advisory, US Government Resource
- https://srcincite.io/advisories/src-2018-0007/
- http://www.securityfocus.com/bid/103487Third Party Advisory, VDB Entry
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdfVendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02Mitigation, Third Party Advisory, US Government Resource
- https://srcincite.io/advisories/src-2018-0007/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.