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CVE-2002-1407

24
FAUCET Score

CVE-2002-1407 describes a critical vulnerability in TinySSL 1.02 and earlier versions, where the software fails to properly validate Basic Constraints for intermediate CA-signed certificates. This flaw enables remote attackers to conduct man-in-the-middle attacks, effectively spoofing trusted websites. With a CVSS score of 7.5, this vulnerability is considered high severity, allowing for potential compromise of confidentiality, integrity, and availability with low attack complexity and no authentication required. Despite its age and high community discussion, there is no evidence of active exploitation, nor are there publicly available exploits in Metasploit or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.2CPE matchmatch criteria
cpe:2.3:a:adam_megacz:tinyssl:*:*:*:*:*:*:*:*

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
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 38th 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

archives.neohapsis.com / archives/bugtraq/2002-08/0096.html
ExploitPatchVendor Advisory
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/9776
securityfocus.com / bid/5410
ExploitPatchVendor Advisory