Vulnerability Details CVE-2021-36767
In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism that gives access to the server password, making the protection ineffective. An attacker may send an unauthenticated request to the server. The server will reply with a weakly-hashed version of the server's access password. The attacker may then crack this hash offline in order to successfully login to the server.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 40.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2021-36767
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cpe:2.3:a:digi:realport:1.9-40
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cpe:2.3:a:digi:realport:4.8.488.0
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cpe:2.3:h:digi:connect_es:-
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cpe:2.3:h:digi:connectport_lts_8/16/32:-
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cpe:2.3:h:digi:connectport_ts_8/16:-
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cpe:2.3:h:digi:one_iap_haz:-
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cpe:2.3:h:digi:passport_integrated_console_server:-
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cpe:2.3:h:digi:portserver_ts:-
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cpe:2.3:h:digi:portserver_ts_m_mei:-
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cpe:2.3:h:digi:portserver_ts_mei:-
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cpe:2.3:h:digi:portserver_ts_mei_hardened:-
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cpe:2.3:h:digi:portserver_ts_p_mei:-
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cpe:2.3:h:digi:transport_wr11_xt:-
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cpe:2.3:o:digi:6350-sr_firmware:-
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cpe:2.3:o:digi:cm_firmware:-
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cpe:2.3:o:digi:connect_es_firmware:-
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cpe:2.3:o:digi:connectport_lts_8/16/32_firmware:-
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cpe:2.3:o:digi:connectport_ts_8/16_firmware:-
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cpe:2.3:o:digi:one_ia_firmware:-
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cpe:2.3:o:digi:one_iap_firmware:-
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cpe:2.3:o:digi:one_iap_haz_firmware:*
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cpe:2.3:o:digi:passport_integrated_console_server_firmware:-
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cpe:2.3:o:digi:portserver_ts_firmware:-
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cpe:2.3:o:digi:portserver_ts_m_mei_firmware:-
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cpe:2.3:o:digi:portserver_ts_mei_firmware:-
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cpe:2.3:o:digi:portserver_ts_mei_hardened_firmware:-
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cpe:2.3:o:digi:portserver_ts_p_mei_firmware:-
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cpe:2.3:o:digi:transport_wr11_xt_firmware:-
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cpe:2.3:o:digi:transport_wr11_xt_firmware:6.0.0.0
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cpe:2.3:o:digi:transport_wr11_xt_firmware:8.2.1.3
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cpe:2.3:o:digi:wr21_firmware:-
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cpe:2.3:o:digi:wr31_firmware:-
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cpe:2.3:o:digi:wr31_firmware:6.0.0.0
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cpe:2.3:o:digi:wr31_firmware:8.2.1.3
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cpe:2.3:o:digi:wr44_r_firmware:-