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Vulnerability details: VCID-faaf-e9j7-aaac
Vulnerability ID VCID-faaf-e9j7-aaac
Aliases CVE-2020-35477
Summary 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).
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-670 Always-Incorrect Control Flow Implementation
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35477.json
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00223 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00233 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00233 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00233 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00233 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
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epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
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epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
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epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
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epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00552 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00813 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00813 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.00818 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
epss 0.01255 https://api.first.org/data/v1/epss?cve=CVE-2020-35477
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1909231
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-35477
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-35477
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-35477
archlinux Medium https://security.archlinux.org/AVG-1371
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35477.json
https://api.first.org/data/v1/epss?cve=CVE-2020-35477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35475
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35479
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35480
https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
https://phabricator.wikimedia.org/T205908
https://www.debian.org/security/2020/dsa-4816
1909231 https://bugzilla.redhat.com/show_bug.cgi?id=1909231
ASA-202101-22 https://security.archlinux.org/ASA-202101-22
AVG-1371 https://security.archlinux.org/AVG-1371
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2020-35477 https://nvd.nist.gov/vuln/detail/CVE-2020-35477
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35477.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35477
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35477
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35477
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.61033
EPSS Score 0.00223
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.