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CVE-2001-0720

24
FAUCET Score

CVE-2001-0720 describes a critical vulnerability in Internet Explorer 5.1 for Macintosh on Mac OS X, allowing remote attackers to execute arbitrary commands. This occurs when the browser automatically decodes downloaded BinHex or MacBinary files, leading to their execution. With a CVSS score of 7.5 (HIGH), it presents a low-complexity attack vector with potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
10.4.9CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.9:*:*:*:*:*:*:*

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
2.09%
Probability of exploitation in next 30 days
EPSS Percentile
79.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0209 is in the 64th percentile among its peer group of 51,485 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

docs.microsoft.com / en-us/security-updates/securitybulletins/2001/ms01-053
exchange.xforce.ibmcloud.com / vulnerabilities/7336
ciac.org / ciac/bulletins/m-013.shtml
securityfocus.com / bid/3471