Vulnerability Details CVE-2021-27420
GE UR firmware versions prior to version 8.1x web server task does not properly handle receipt of unsupported HTTP verbs, resulting in the web server becoming temporarily unresponsive after receiving a series of unsupported HTTP requests. When unresponsive, the web server is inaccessible. By itself, this is not particularly significant as the relay remains effective in all other functionality and communication channels.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.2%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
Products affected by CVE-2021-27420
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cpe:2.3:h:ge:multilin_b30:-
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cpe:2.3:h:ge:multilin_b90:-
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cpe:2.3:h:ge:multilin_c30:-
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cpe:2.3:h:ge:multilin_c60:-
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cpe:2.3:h:ge:multilin_c70:-
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cpe:2.3:h:ge:multilin_c95:-
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cpe:2.3:h:ge:multilin_d30:-
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cpe:2.3:h:ge:multilin_d60:-
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cpe:2.3:h:ge:multilin_f35:-
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cpe:2.3:h:ge:multilin_f60:-
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cpe:2.3:h:ge:multilin_g30:-
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cpe:2.3:h:ge:multilin_g60:-
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cpe:2.3:h:ge:multilin_l30:-
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cpe:2.3:h:ge:multilin_l60:-
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cpe:2.3:h:ge:multilin_l90:-
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cpe:2.3:h:ge:multilin_m60:-
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cpe:2.3:h:ge:multilin_n60:-
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cpe:2.3:h:ge:multilin_t35:-
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cpe:2.3:h:ge:multilin_t60:-
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cpe:2.3:o:ge:multilin_b30_firmware:-
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cpe:2.3:o:ge:multilin_b90_firmware:-
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cpe:2.3:o:ge:multilin_c30_firmware:-
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cpe:2.3:o:ge:multilin_c60_firmware:-
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cpe:2.3:o:ge:multilin_c70_firmware:-
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cpe:2.3:o:ge:multilin_c95_firmware:-
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cpe:2.3:o:ge:multilin_d30_firmware:-
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cpe:2.3:o:ge:multilin_d60_firmware:-
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cpe:2.3:o:ge:multilin_f35_firmware:-
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cpe:2.3:o:ge:multilin_f60_firmware:-
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cpe:2.3:o:ge:multilin_g30_firmware:-
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cpe:2.3:o:ge:multilin_g60_firmware:-
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cpe:2.3:o:ge:multilin_l30_firmware:-
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cpe:2.3:o:ge:multilin_l60_firmware:-
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cpe:2.3:o:ge:multilin_l90_firmware:-
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cpe:2.3:o:ge:multilin_m60_firmware:-
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cpe:2.3:o:ge:multilin_n60_firmware:-
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cpe:2.3:o:ge:multilin_t35_firmware:-
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cpe:2.3:o:ge:multilin_t60_firmware:-