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CVE-2008-4381

21
FAUCET Score

CVE-2008-4381 describes a denial-of-service vulnerability in Microsoft Internet Explorer 7, where a remote attacker can crash the application by using JavaScript to call the alert function with a large, URL-encoded string of invalid characters. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and allows for a low-complexity attack with no authentication required, leading to application unavailability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
18.39%
Probability of exploitation in next 30 days
EPSS Percentile
96.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1840 is in the 97th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

securityreason.com / securityalert/4345
exchange.xforce.ibmcloud.com / vulnerabilities/45639
openwall.com / lists/oss-security/2008/10/03/7
openwall.com / lists/oss-security/2008/10/03/8
securityfocus.com / archive/1/496830/100/0/threaded
securityfocus.com / archive/1/496926/100/0/threaded