How severe is CVE-2015-5951?

CVE-2015-5951 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-5951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5951?

CVE-2015-5951 affects Thomsonreuters Fatca. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5951?

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-2015-5951 published?

CVE-2015-5951 was published on 2020-01-06 and last updated on 2026-06-17.

CVE-2015-5951

CVE-2015-5951 is a critical-severity vulnerability in Thomsonreuters Fatca with a CVSS 3.x base score of 9.9. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 9.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Thomsonreuters Fatca
Published: 2020-01-06
Last modified: 2026-06-17

Description

A file upload issue exists in the specid parameter in Thomson Reuters FATCH before 5.2, which allows malicious users to upload arbitrary PHP files to the web root and execute system commands.

Frequently asked questions

What is CVE-2015-5951?: A file upload issue exists in the specid parameter in Thomson Reuters FATCH before 5.2, which allows malicious users to upload arbitrary PHP files to the web root and execute system commands.
How severe is CVE-2015-5951?: CVE-2015-5951 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-5951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5951?: CVE-2015-5951 affects Thomsonreuters Fatca. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5951?: 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-2015-5951 published?: CVE-2015-5951 was published on 2020-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thomsonreuters:fatca:*:*:*:*:*:*:*:*

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