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cve[email protected]CVE-2021-23018
HistoryJun 01, 2021 - 12:15 p.m.

CVE-2021-23018

2021-06-0112:15:07
CWE-319
web.nvd.nist.gov
30
4
cve-2021-23018
nginx controller
tls
intra-cluster communication
nvd

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.9%

Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster.

Affected configurations

NVD
Node
f5nginx_controllerRange3.0.03.4.0

CNA Affected

[
  {
    "product": "Nginx Controller",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "\"3.x before 3.4.0\""
      }
    ]
  }
]

Social References

More

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.9%

Related for CVE-2021-23018