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RedhatCVE-2021-20208

HistoryApr 19, 2021 - 10:15 p.m.

CVE-2021-20208

2021-04-1922:15:12

CWE-269

CWE-266

redhat

web.nvd.nist.gov

214

cifs-utils

cve-2021-20208

vulnerability

data confidentiality

integrity

nvd

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

38.5%

JSON

A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected configurations

Nvd

Vulners

Node

sambacifs-utilsRange4.0–6.13

Node

redhatenterprise_linuxMatch7.0

redhatenterprise_linuxMatch8.0

Node

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

fedoraprojectfedoraMatch35

VendorProductVersionCPE
sambacifs-utils*cpe:2.3:a:samba:cifs-utils:*:*:*:*:*:*:*:*
redhatenterprise_linux7.0cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
samba	cifs-utils	*	cpe:2.3:a:samba:cifs-utils::::::::
redhat	enterprise_linux	7.0	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*

CNA Affected

[
  {
    "product": "cifs-utils",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "cifs-utils 6.13"
      }
    ]
  }
]