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cve[email protected]CVE-2021-35936
HistoryAug 16, 2021 - 8:15 a.m.

CVE-2021-35936

2021-08-1608:15:11
CWE-306
CWE-200
web.nvd.nist.gov
41
3
apache airflow
cve-2021-35936
security vulnerability
unauthorized access
log files

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

22.9%

If remote logging is not used, the worker (in the case of CeleryExecutor) or the scheduler (in the case of LocalExecutor) runs a Flask logging server and is listening on a specific port and also binds on 0.0.0.0 by default. This logging server had no authentication and allows reading log files of DAG jobs. This issue affects Apache Airflow < 2.1.2.

Affected configurations

Vulners
NVD
Node
apacheairflowRange2.1.2
CPENameOperatorVersion
apache:airflowapache airflowlt2.1.2

CNA Affected

[
  {
    "product": "Apache Airflow",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "2.1.2",
        "status": "affected",
        "version": "Apache Airflow",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

22.9%

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