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CVE-2019-12470

Wikimedia MediaWiki through 1.32.1 has Incorrect Access Control. Suppressed log in RevisionDelete page is exposed. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Public exploit available. Not confirmed exploited in the wild yet. Fixed in 1.27.6.

CVSS 3.06.5MediumEPSS percentile72nd1.4% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFix1.27.6Upgrade to this build

Published Updated Sources: CVE.org, NVD, GitHub, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Packagist mediawiki/coreAffected: ≥ 1.27.0, < 1.27.6Upgrade to: 1.27.6Stated by: GitHub advisory
  • MediawikiAffected: < 1.27.6Upgrade to: 1.27.6Stated by: NVD
  • Сообщество свободного программного обеспечения Debian GNU/LinuxAffected: 9Upgrade to: not statedStated by: BDU
  • Сообщество свободного программного обеспечения MediaWikiAffected: до 1.27.6Upgrade to: not statedStated by: BDU
  • АО «Концерн ВНИИНС» ОС ОН «Стрелец»Affected: до 16.01.2023Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

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What it is

From the CVE record

Wikimedia MediaWik exposed suppressed log in RevisionDelete page

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS72nd
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

1.4% chance of exploitation activity in the next 30 days, which ranks it in the 72nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 471 days before any public exploit.

  1. OpenVAS check added
  2. Public exploit / PoCsource: github-poc
  3. Patch availablerecord updated
  4. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.0 vector

Open in the CVSS calculator

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Scored 6.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 6 more references. See all after sign-in

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