Buffer overflow in Opcfoundation Unified Architecture Ansic
CVE-2018-12086
Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.118 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.116 · newest: 0.118 · change: +0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1041909 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/105538 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2018/dsa-4359 (vendor-advisory, Third Party Advisory)
- opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Secur… (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-12086?
- CVE-2018-12086 is a high-severity vulnerability in Opcfoundation Unified Architecture Ansic, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-09-14.
- How severe is CVE-2018-12086?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-12086 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.