CVE-2021-25676
Last modified
CVE-2021-25676 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Ruggedcom Rm1224 Firmware | 6.3 |
| Siemens | Scalance M-800 Firmware | 6.3 |
| Siemens | Scalance S615 Firmware | 6.3 |
| Siemens | Scalance Sc-600 Firmware | >= 2.1, < 2.1.3 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-25676?
How severe is CVE-2021-25676?
How do I fix CVE-2021-25676?
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 2021
- CVE-2021-25670A vulnerability has been identified in Tecnomatix RobotExper…7.8
- CVE-2021-25671A vulnerability has been identified in RWG1.M12 (All version…4.3
- CVE-2021-25672A vulnerability has been identified in Mendix Forgot Passwor…8.8
- CVE-2021-25673A vulnerability has been identified in SIMATIC S7-PLCSIM V5.…5.5
- CVE-2021-25674A vulnerability has been identified in SIMATIC S7-PLCSIM V5.…5.5
- CVE-2021-25675A vulnerability has been identified in SIMATIC S7-PLCSIM V5.…5.5
- CVE-2021-25677A vulnerability has been identified in APOGEE PXC Compact (B…5.3
- CVE-2021-25678A vulnerability has been identified in Solid Edge SE2020 (Al…7.8
- CVE-2021-25679The AdTran Personal Phone Manager software is vulnerable to …5.4
- CVE-2021-25680The AdTran Personal Phone Manager software is vulnerable to …6.1
- CVE-2021-25681AdTran Personal Phone Manager 10.8.1 software is vulnerable …7.5
- CVE-2021-25682It was discovered that the get_pid_info() function in data/a…7.8
Are you affected by CVE-2021-25676?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST