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CVE-2007-4740

34
FAUCET Score

CVE-2007-4740 describes a critical vulnerability in the HPRevolutionRegistryManager ActiveX control within Telecom Italy Alice Messenger. This flaw allows remote attackers to create arbitrary registry keys and values on a user's system by exploiting the WriteRegistry method. With a CVSS score of 9.3 (Critical) and a FAUCET Risk Score of 94/100, the vulnerability presents a significant risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog or Hot List, public exploit code exists on ExploitDB, indicating its potential for exploitation, despite a lack of broader community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.1CPE matchmatch criteria
cpe:2.3:a:telecom_italy:alice_messenger:1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.72%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-4357 · Sep 3, 2007
This CVE's current EPSS score of 0.0372 is in the 49th percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

osvdb.org / 38923
retrogod.altervista.org / telecom_regkey.html
securityreason.com / securityalert/3098
securitytracker.com / id
Exploit
exchange.xforce.ibmcloud.com / vulnerabilities/36408
securityfocus.com / archive/1/478449/100/0/threaded
securityfocus.com / bid/25516