How severe is CVE-2019-17271?

CVE-2019-17271 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-17271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17271?

CVE-2019-17271 affects Vbulletin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-17271 published?

CVE-2019-17271 was published on 2019-10-08 and last updated on 2026-06-17.

CVE-2019-17271

CVE-2019-17271 is a medium-severity vulnerability in Vbulletin with a CVSS 3.x base score of 4.9. 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Vbulletin
Published: 2019-10-08
Last modified: 2026-06-17

Description

vBulletin 5.5.4 allows SQL Injection via the ajax/api/hook/getHookList or ajax/api/widget/getWidgetList where parameter.

Frequently asked questions

What is CVE-2019-17271?: vBulletin 5.5.4 allows SQL Injection via the ajax/api/hook/getHookList or ajax/api/widget/getWidgetList where parameter.
How severe is CVE-2019-17271?: CVE-2019-17271 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-17271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17271?: CVE-2019-17271 affects Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-17271 published?: CVE-2019-17271 was published on 2019-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*

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