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CVE-2001-1549

17
FAUCET Score

CVE-2001-1549 describes a vulnerability in Tiny Personal Firewall versions 1.0 and 2.0, allowing local users to bypass its filtering mechanisms. This bypass is achieved by crafting non-standard TCP packets using non-Windows protocol adapters. The vulnerability has a low severity CVSS score of 2.1 (AV:L/AC:L/Au:N/C:N/I:P/A:N), indicating a local attack vector with low complexity and a potential impact of partial integrity compromise. There is no evidence of active exploitation, no Metasploit or Nuclei modules, and only one related ExploitDB entry for a different product, suggesting minimal community attention or exploit availability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:tiny_software:tiny_personal_firewall:1.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:tiny_software:tiny_personal_firewall:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-21169 · Dec 6, 2001
This CVE's current EPSS score of 0.0076 is in the 85th percentile among its peer group of 2,096 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, 0.0 Bluesky, 0.0 Mastodon, and 0.6 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

archives.neohapsis.com / archives/bugtraq/2001-12/0056.html
Vendor Advisory
iss.net / security_center/static/7671.php
securityfocus.com / bid/3647
Exploit