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cve[email protected]CVE-2021-22906
HistoryJun 11, 2021 - 4:15 p.m.

CVE-2021-22906

2021-06-1116:15:11
CWE-639
CWE-400
web.nvd.nist.gov
20
2
nextcloud
end-to-end encryption
cve-2021-22906
denial of service
vulnerability

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.7%

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.

Affected configurations

NVD
Node
nextcloudend-to-end_encryptionRange<1.5.3
OR
nextcloudend-to-end_encryptionRange1.6.01.6.3
OR
nextcloudend-to-end_encryptionRange1.7.01.7.1

CNA Affected

[
  {
    "product": "Nextcloud End-to-End Encryption",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 1.5.3, 1.6.3, 1.7.1"
      }
    ]
  }
]

Social References

More

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.7%