CVE-2014-1861: The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in a

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HIGH 9.3DOWNGRADE

CVE-2014-1861 is a high-severity flaw (CVSS 9.3) affecting jetro cockpit secure browsing. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in an RDP_FILE_TRANSFER document, which allows remote JCSB servers to execute arbitrary programs by providing a .EXE extension.

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-20
Published	2014-02-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jetroplatforms

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

Am I affected?

Timeline

2014-02-18 11:55 UTCPublished CVE record published
2026-06-17 00:05 UTCUpdated Record last modified

jetroplatforms jetro cockpit secure browsing DOWNGRADE

Affected: 4.3.1 · 4.3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.1

1. Check installed version

apt-cache policy jetro-cockpit-secure-browsing || rpm -q jetro-cockpit-secure-browsing || jetro-cockpit-secure-browsing --version

2. No fixed release: DOWNGRADE to a release before 4.3.1 (Debian / Ubuntu)

apt-cache madison jetro-cockpit-secure-browsing sudo apt install jetro-cockpit-secure-browsing=<VERSION_BEFORE_4.3.1> sudo apt-mark hold jetro-cockpit-secure-browsing

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jetro-cockpit-secure-browsing sudo dnf downgrade jetro-cockpit-secure-browsing-<VERSION_BEFORE_4.3.1> sudo dnf versionlock add jetro-cockpit-secure-browsing

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2014-1861?

jetro cockpit secure browsing: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-1861 being exploited?

CVE-2014-1861 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-2014-1861 affect?

CVE-2014-1861 affects jetro cockpit secure browsing. Severity is high (CVSS 9.3). The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in an RDP_FILE_TRANSFER document, which allows remote JCSB servers to execute arbitrary programs by providing a .EXE extension.

How urgent is CVE-2014-1861?

Priority 51/100. Critical severity

Software pages

WinRM and RDP vulnerabilities

References

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