How severe is CVE-2014-9487?

CVE-2014-9487 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-9487 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9487?

CVE-2014-9487 primarily affects Mediawiki. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-9487?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-9487 published?

CVE-2014-9487 was published on 2017-10-17 and last updated on 2026-06-17.

CVE-2014-9487

CVE-2014-9487 is a critical-severity vulnerability in Mediawiki with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Mediawiki
Published: 2017-10-17
Last modified: 2026-06-17

Description

The getid3 library in MediaWiki before 1.24.1, 1.23.8, 1.22.15 and 1.19.23 allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack. NOTE: Related to CVE-2014-2053.

Frequently asked questions

What is CVE-2014-9487?: The getid3 library in MediaWiki before 1.24.1, 1.23.8, 1.22.15 and 1.19.23 allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack. NOTE: Related to CVE-2014-2053.
How severe is CVE-2014-9487?: CVE-2014-9487 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-9487 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-9487?: CVE-2014-9487 primarily affects Mediawiki. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-9487?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-9487 published?: CVE-2014-9487 was published on 2017-10-17 and last updated on 2026-06-17.

References

Affected products (51)

cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.8:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.9:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.10:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.11:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.12:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.13:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.14:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.15:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.16:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.17:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.18:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.19:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.20:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.21:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.22:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.7:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.8:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.9:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.10:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.11:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.22.12:*:*:*:*:*:*:*

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