CVE-2015-5951: A file upload issue exists in the specid parameter in Thomson Reuters FATCH before 5.2, which allows malicious

Q: How do I fix CVE-2015-5951?

fatca: upgrade to 5.2. Exact commands for each OS are on this page.

Q: Is CVE-2015-5951 being exploited?

CVE-2015-5951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-5951 affect?

CVE-2015-5951 affects fatca. Severity is critical (CVSS 9.9). 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.

Q: How urgent is CVE-2015-5951?

Priority 56/100. Critical severity

This month

CRITICAL 9.9UPGRADE

CVE-2015-5951 is a critical-severity flaw (CVSS 9.9) affecting fatca. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-434
Published	2020-01-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: thomsonreuters

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-06 21:15 UTCPublished CVE record published
2026-06-17 00:30 UTCUpdated Record last modified

thomsonreuters fatca UPGRADE

Affected: < 5.2

Fixed in: 5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fatca || rpm -q fatca || fatca --version

2. UPGRADE to 5.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fatca

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fatca

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-5951?

fatca: upgrade to 5.2. Exact commands for each OS are on this page.

Is CVE-2015-5951 being exploited?

CVE-2015-5951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-5951 affect?

CVE-2015-5951 affects fatca. Severity is critical (CVSS 9.9). 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 urgent is CVE-2015-5951?

Priority 56/100. Critical severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2015-5952 CRITICAL 9.8 UPGRADE Directory traversal vulnerability in Thomson Reuters for FATCA before 5.2 allows remote attackers to execute a

References

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