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cveMitreCVE-2021-26600
HistoryMar 28, 2022 - 1:15 a.m.

CVE-2021-26600

2022-03-2801:15:06
CWE-843
mitre
web.nvd.nist.gov
58
cve-2021-26600
impresscms
type confusion
plugins
autologin
authentication bypass

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.4

Confidence

High

EPSS

0.154

Percentile

95.9%

ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).

Affected configurations

Nvd
Node
impresscmsimpresscmsRange<1.4.3
VendorProductVersionCPE
impresscmsimpresscms*cpe:2.3:a:impresscms:impresscms:*:*:*:*:*:*:*:*

CVSS2

7.5

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

CVSS3

9.8

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

AI Score

9.4

Confidence

High

EPSS

0.154

Percentile

95.9%