Vulnerability Details CVE-2020-5757
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.185
EPSS Ranking 94.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
Products affected by CVE-2020-5757
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cpe:2.3:h:grandstream:ucm6202:-
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cpe:2.3:h:grandstream:ucm6204:-
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cpe:2.3:h:grandstream:ucm6208:-
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cpe:2.3:o:grandstream:ucm6202_firmware:1.0.20.22
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cpe:2.3:o:grandstream:ucm6202_firmware:1.0.20.23
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.10.44
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.11.27
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.12.19
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.13.14
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.14.24
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.15.16
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.16.20
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.17.16
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.18.13
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.19.20
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.19.21
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.2.97
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.20.22
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.20.23
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cpe:2.3:o:grandstream:ucm6204_firmware:1.0.9.97
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cpe:2.3:o:grandstream:ucm6208_firmware:1.0.20.22
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cpe:2.3:o:grandstream:ucm6208_firmware:1.0.20.23