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cve[email protected]CVE-2020-35477
HistoryDec 18, 2020 - 8:15 a.m.

CVE-2020-35477

2020-12-1808:15:15
CWE-670
web.nvd.nist.gov
48
mediawiki
cve-2020-35477
log entry
security vulnerability
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.9%

MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the “Change visibility of selected log entries” checkbox (or a tags checkbox) next to it, there is a redirection to the main page’s action=historysubmit (instead of the desired behavior in which a revision-deletion form appears).

Affected configurations

NVD
Node
mediawikimediawikiRange<1.35.1
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
fedoraprojectfedoraMatch33
CPENameOperatorVersion
mediawiki:mediawikimediawikilt1.35.1

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.9%