CWE
434
Advisory Published
Updated

CVE-2021-42099: Malicious File Upload

First published: Tue Nov 30 2021(Updated: )

Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
ManageEngine M365 Manager Plus
ManageEngine M365 Manager Plus=build_4000
ManageEngine M365 Manager Plus=build_4001
ManageEngine M365 Manager Plus=build_4002
ManageEngine M365 Manager Plus=build_4003
ManageEngine M365 Manager Plus=build_4004
ManageEngine M365 Manager Plus=build_4005
ManageEngine M365 Manager Plus=build_4007
ManageEngine M365 Manager Plus=build_4008
ManageEngine M365 Manager Plus=build_4009
ManageEngine M365 Manager Plus=build_4010
ManageEngine M365 Manager Plus=build_4011
ManageEngine M365 Manager Plus=build_4012
ManageEngine M365 Manager Plus=build_4013
ManageEngine M365 Manager Plus=build_4014
ManageEngine M365 Manager Plus=build_4100
ManageEngine M365 Manager Plus=build_4101
ManageEngine M365 Manager Plus=build_4102
ManageEngine M365 Manager Plus=build_4103
ManageEngine M365 Manager Plus=build_4104
ManageEngine M365 Manager Plus=build_4105
ManageEngine M365 Manager Plus=build_4106
ManageEngine M365 Manager Plus=build_4108
ManageEngine M365 Manager Plus=build_4109
ManageEngine M365 Manager Plus=build_4110
ManageEngine M365 Manager Plus=build_4111
ManageEngine M365 Manager Plus=build_4112
ManageEngine M365 Manager Plus=build_4113
ManageEngine M365 Manager Plus=build_4115
ManageEngine M365 Manager Plus=build_4116
ManageEngine M365 Manager Plus=build_4117
ManageEngine M365 Manager Plus=build_4118
ManageEngine M365 Manager Plus=build_4119
ManageEngine M365 Manager Plus=build_4200
ManageEngine M365 Manager Plus=build_4201
ManageEngine M365 Manager Plus=build_4202
ManageEngine M365 Manager Plus=build_4203
ManageEngine M365 Manager Plus=build_4204
ManageEngine M365 Manager Plus=build_4205
ManageEngine M365 Manager Plus=build_4206
ManageEngine M365 Manager Plus=build_4207
ManageEngine M365 Manager Plus=build_4208
ManageEngine M365 Manager Plus=build_4209
ManageEngine M365 Manager Plus=build_4210
ManageEngine M365 Manager Plus=build_4211
ManageEngine M365 Manager Plus=build_4212
ManageEngine M365 Manager Plus=build_4213
ManageEngine M365 Manager Plus=build_4214
ManageEngine M365 Manager Plus=build_4215
ManageEngine M365 Manager Plus=build_4216
ManageEngine M365 Manager Plus=build_4217
ManageEngine M365 Manager Plus=build_4218
ManageEngine M365 Manager Plus=build_4219
ManageEngine M365 Manager Plus=build_4220
ManageEngine M365 Manager Plus=build_4221
ManageEngine M365 Manager Plus=build_4222
ManageEngine M365 Manager Plus=build_4300
ManageEngine M365 Manager Plus=build_4301
ManageEngine M365 Manager Plus=build_4302
ManageEngine M365 Manager Plus=build_4303
ManageEngine M365 Manager Plus=build_4304
ManageEngine M365 Manager Plus=build_4305
ManageEngine M365 Manager Plus=build_4306
ManageEngine M365 Manager Plus=build_4308
ManageEngine M365 Manager Plus=build_4309
ManageEngine M365 Manager Plus=build_4310
ManageEngine M365 Manager Plus=build_4311
ManageEngine M365 Manager Plus=build_4312
ManageEngine M365 Manager Plus=build_4316
ManageEngine M365 Manager Plus=build_4317
ManageEngine M365 Manager Plus=build_4318
ManageEngine M365 Manager Plus=build_4319
ManageEngine M365 Manager Plus=build_4320
ManageEngine M365 Manager Plus=build_4321
ManageEngine M365 Manager Plus=build_4322
ManageEngine M365 Manager Plus=build_4324
ManageEngine M365 Manager Plus=build_4325
ManageEngine M365 Manager Plus=build_4327
ManageEngine M365 Manager Plus=build_4328
ManageEngine M365 Manager Plus=build_4329
ManageEngine M365 Manager Plus=build_4330
ManageEngine M365 Manager Plus=build_4331
ManageEngine M365 Manager Plus=build_4332
ManageEngine M365 Manager Plus=build_4333
ManageEngine M365 Manager Plus=build_4334
ManageEngine M365 Manager Plus=build_4335
ManageEngine M365 Manager Plus=build_4336
ManageEngine M365 Manager Plus=build_4400
ManageEngine M365 Manager Plus=build_4401
ManageEngine M365 Manager Plus=build_4402
ManageEngine M365 Manager Plus=build_4403
ManageEngine M365 Manager Plus=build_4406
ManageEngine M365 Manager Plus=build_4407
ManageEngine M365 Manager Plus=build_4408
ManageEngine M365 Manager Plus=build_4410
ManageEngine M365 Manager Plus=build_4411
ManageEngine M365 Manager Plus=build_4412
ManageEngine M365 Manager Plus=build_4413
ManageEngine M365 Manager Plus=build_4414
ManageEngine M365 Manager Plus=build_4415
ManageEngine M365 Manager Plus=build_4416
ManageEngine M365 Manager Plus=build_4417
ManageEngine M365 Manager Plus=build_4418
ManageEngine M365 Manager Plus=build_4419

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Frequently Asked Questions

  • What is the severity of CVE-2021-42099?

    CVE-2021-42099 is classified as a high severity vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2021-42099?

    To mitigate CVE-2021-42099, upgrade to ManageEngine M365 Manager Plus version 4421 or later.

  • What type of vulnerability is CVE-2021-42099?

    CVE-2021-42099 is a file-upload vulnerability that allows for remote code execution.

  • Which versions of ManageEngine M365 Manager Plus are affected by CVE-2021-42099?

    CVE-2021-42099 affects ManageEngine M365 Manager Plus versions prior to 4421.

  • What are the potential consequences of exploiting CVE-2021-42099?

    Exploitation of CVE-2021-42099 could allow an attacker to execute arbitrary code on the affected system.

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