CVE-2017-5214

CVE-2017-5214 is a high-severity vulnerability in Codextrous B2j Contact with a CVSS 3.x base score of 7.5. 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-335.

Key facts

Description

The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a time value. This makes it easier to read arbitrary uploaded files.

Frequently asked questions

What is CVE-2017-5214?
The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a time value. This makes it easier to read arbitrary uploaded files.
How severe is CVE-2017-5214?
CVE-2017-5214 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-5214 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5214?
CVE-2017-5214 affects Codextrous B2j Contact. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5214?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-5214 published?
CVE-2017-5214 was published on 2017-05-17 and last updated on 2026-06-17.

References

Affected products (1)

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