CVE-2020-13556
Last modified
CVE-2020-13556 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. EPSS estimates a 4.52% chance of exploitation in the next 30 days.
Description
An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opener Project | Opener | 2.3 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1170Exploit, Technical Description, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1170Exploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13556?
How severe is CVE-2020-13556?
How do I fix CVE-2020-13556?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-13550A local file inclusion vulnerability exists in the installat…7.7
- CVE-2020-13551An exploitable local privilege elevation vulnerability exist…8.8
- CVE-2020-13552An exploitable local privilege elevation vulnerability exist…8.8
- CVE-2020-13553An exploitable local privilege elevation vulnerability exist…8.8
- CVE-2020-13554An exploitable local privilege elevation vulnerability exist…7.8
- CVE-2020-13555An exploitable local privilege elevation vulnerability exist…8.8
- CVE-2020-13557A use after free vulnerability exists in the JavaScript engi…8.8
- CVE-2020-13558A code execution vulnerability exists in the AudioSourceProv…8.8
- CVE-2020-13559A denial-of-service vulnerability exists in the traffic-logg…7.5
- CVE-2020-1356An elevation of privilege vulnerability exists when the Wind…7.8
- CVE-2020-13560A use after free vulnerability exists in the JavaScript engi…8.8
- CVE-2020-13561An out-of-bounds write vulnerability exists in the TIFF pars…8.8
Are you affected by CVE-2020-13556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST