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CVE-2012-4177

79
FAUCET Score

CVE-2012-4177 is a critical arbitrary code execution vulnerability affecting Ubisoft Uplay PC versions prior to 2.0.4. Attackers can exploit a flaw in the web browser plugin by manipulating the -orbit_exe_path command line argument. This vulnerability carries a CVSS score of 10.0, indicating a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, a Metasploit module exists, and its high EPSS score suggests a significant likelihood of exploitation, despite limited public discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.3CPE matchmatch criteria
cpe:2.3:a:ubi:uplay_pc:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:ubi:uplay_pc:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:ubi:uplay_pc:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:ubi:uplay_pc:2.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
58.02%
Probability of exploitation in next 30 days
EPSS Percentile
99.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Ubisoft uplay 2.0.3 ActiveX Control Arbitrary Code Execution · Jul 29, 2012
ExploitDB: EDB-20321 · Aug 8, 2012
This CVE's current EPSS score of 0.5802 is in the 98th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

forums.ubi.com / showthread.php/699940-Uplay-PC-Patch-2-0-4-Security-fix
osvdb.org / 84402
seclists.org / fulldisclosure/2012/Jul/375
bbc.com / news/technology-19053453
exploit-db.com / exploits/20321