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cve[email protected]CVE-2020-27847
HistoryMay 28, 2021 - 11:15 a.m.

CVE-2020-27847

2021-05-2811:15:07
CWE-228
web.nvd.nist.gov
43
2
vulnerability
saml
connector
github
dex
bypass
authentication
confidentiality
integrity
system availability

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.3%

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.

Affected configurations

Vulners
NVD
Node
datatakerdt80_dexRange2.27.0
VendorProductVersionCPE
datatakerdt80_dex*cpe:2.3:h:datataker:dt80_dex:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "dexidp/dex",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "dex 2.27.0"
      }
    ]
  }
]

Social References

More

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.3%

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