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| Rule General Information |
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| Release Date: | 2021-03-17 | |
| Rule Name: | Yealink Remote Code Execution Vulnerability (CVE-2021-27561) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication. | |
| Impact: | An attacker can execute arbitrary code via a successful exploit in the context of the vulnerable software. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | https://ssd-disclosure.com/ssd-advisory-yealink-dm-pre-auth-root-level-rce/ |
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| Solutions |
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| Refer to the announcement or patch by the vendor: https://www.yealink.com/ |