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CVE-2007-3423

19
FAUCET Score

CVE-2007-3423 describes a vulnerability in web-app.org WebAPP versions prior to 0.9.9.7, specifically within the cgi-bin/cgi-lib/instantmessage.pl script. The vulnerability arises from the application's use of the "From" field of an instant message to construct a .dat file name, impacting the imview2 and imview3 functions when processing various message types. With a CVSS score of 7.5, this vulnerability is considered highly severe, allowing for remote attacks with low access complexity and potential impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.9.6CPE matchmatch criteria
cpe:2.3:a:web-app.org:webapp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 41st percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

osvdb.org / 45409
web-app.org / cgi-bin/index.cgi
web-app.org / downloads/WebAPPv0.9.9.7.zip
Patch