CVE-2021-41987
Last modified
CVE-2021-41987 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. EPSS estimates a 16.23% chance of exploitation in the next 30 days.
Description
In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | 6.46.8 |
| Mikrotik | Routeros | 6.47.9 |
| Mikrotik | Routeros | 6.47.10 |
References
- https://mikrotik.com/download/archiveRelease Notes, Vendor Advisory
- https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/Exploit, Third Party Advisory
- https://mikrotik.com/download/archiveRelease Notes, Vendor Advisory
- https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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