CVE-2020-27265 (Pre-auth on KEPWARE products)
blog.viettelcybersecurity.com | vulnerability | CVE-2020-27265 | #vulnerability | #ot-security | #stack-overflow | #kepware | #opc-ua | #cve-2020-27265
Summary
A walkthrough of CVE-2020-27265, a pre-auth stack overflow in KEPware's OPC UA implementation, showing how oversized OPC strings overflow a 1024-byte buffer during protocol handshake processing.
- CVE
- CVE-2020-27265
- Published
- Collected
--- id: 7329 title: "CVE-2020-27265 (Pre-auth on KEPWARE products)" cve: CVE-2020-27265 source_domain: blog.viettelcybersecurity.com source_url: "https://blog.viettelcybersecurity.com/cve-2020-27265/" published_at: "2023-05-26T12:56:45Z" tags: ["vulnerability", "ot-security", "stack-overflow", "kepware", "opc-ua", "cve-2020-27265"] phying_url: "https://phying.com/item/7329" lang: en --- # CVE-2020-27265 (Pre-auth on KEPWARE products) ## Summary A walkthrough of CVE-2020-27265, a pre-auth stack overflow in KEPware's OPC UA implementation, showing how oversized OPC strings overflow a 1024-byte buffer during protocol handshake processing. ## Intelligence Metadata - **Sources:** blog.viettelcybersecurity.com - **CVE:** CVE-2020-27265 - **Published:** 2023-05-26T12:56:45Z - **Original:** https://blog.viettelcybersecurity.com/cve-2020-27265/ - **Phying News:** https://phying.com/item/7329