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CVE-2021-33191

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Date: August 24, 2021

From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol implements an "agent-update" command which was designed to patch the application binary. This "patching" command defaults to calling a trusted binary, but might be modified to an arbitrary value through a "c2-update" command. Said command is then executed using the same privileges as the application binary. This was addressed in version 0.10.0

Language: C++

Severity Score

Related Resources (5)

https://www.openwall.com/lists/oss-security/2021/08/24/1
http://www.openwall.com/lists/oss-security/2021/08/24/1
https://lists.apache.org/thread.html/r6f27a2454f5f67dbe4e21c8eb1db537b01863a0bc3758f28aa60f032@%3Cannounce.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2021-33191
https://www.mend.io/vulnerability-database/CVE-2021-33191

Severity Score

Weakness Type (CWE)

OS Command Injections

CWE-78

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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