CVE-2012-4177: The web browser plugin for Ubisoft Uplay PC before 2.0.4 allows remote attackers to execute arbitrary programs

Q: How do I fix CVE-2012-4177?

uplay pc: upgrade to newer than 2.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2012-4177 being exploited?

CVE-2012-4177 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-2012-4177 affect?

CVE-2012-4177 affects uplay pc. Severity is high (CVSS 10.0). The web browser plugin for Ubisoft Uplay PC before 2.0.4 allows remote attackers to execute arbitrary programs via the -orbit_exe_path command line argument.

Q: How urgent is CVE-2012-4177?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 10.0UPGRADE

CVE-2012-4177 is a high-severity flaw (CVSS 10.0) affecting uplay pc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The web browser plugin for Ubisoft Uplay PC before 2.0.4 allows remote attackers to execute arbitrary programs via the -orbit_exe_path command line argument.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	58.0% (top 1%)
CISA exploited list	No
Weakness	CWE-78
Published	2012-08-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ubi

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-08-07 20:55 UTCPublished CVE record published
2026-06-16 23:44 UTCUpdated Record last modified

ubi uplay pc UPGRADE

Affected: <= 2.0.3 · 2.0 · 2.0.1 · 2.0.2

Fixed in: newer than 2.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy uplay-pc || rpm -q uplay-pc || uplay-pc --version

2. UPGRADE to newer than 2.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade uplay-pc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade uplay-pc

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Ubisoft uplay 2.0.3 - ActiveX Control Arbitrary Code Execution (Metasploit)
Metasploit: Ubisoft uplay 2.0.3 ActiveX Control Arbitrary Code Execution

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-2012-4177?

uplay pc: upgrade to newer than 2.0.3. Exact commands for each OS are on this page.

Is CVE-2012-4177 being exploited?

CVE-2012-4177 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-2012-4177 affect?

CVE-2012-4177 affects uplay pc. Severity is high (CVSS 10.0). The web browser plugin for Ubisoft Uplay PC before 2.0.4 allows remote attackers to execute arbitrary programs via the -orbit_exe_path command line argument.

How urgent is CVE-2012-4177?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2014-5453 HIGH 7.2 UPGRADE Ubisoft Uplay PC before 4.6.1.3217 use weak permissions (Everyone: Full Control) for the program installation

References

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