Is CVE-2020-25827 in the CISA KEV catalog?

No. CVE-2020-25827 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-25827?

CVE-2020-25827 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-25827?

CVE-2020-25827 has an EPSS score of 1.75% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-25827?

Upgrade mediawiki on debian 11 to 1:1.35.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-25827

HIGHEPSS 75th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. For Wikis using OATHAuth on a farm/cluster (such as via CentralAuth), rate limiting of OATH tokens is only done on a single site level. Thus, multiple requests can be made across many wikis/sites concurrently.

CWE-307

How to fix

Remediation Available

mediawikiDebian

Fixed in:1:1.35.0-1CVE-2020-25827

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.75%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Exploit1

phabricator.wikimedia.org

Vendor Advisory2

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.