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CVE-2001-1158

21
FAUCET Score

CVE-2001-1158 describes a critical vulnerability in Check Point VPN-1/FireWall-1 version 4.1, where a default macro, accept_fw1_rdp, allows remote attackers to bypass security restrictions. By forging RDP headers to UDP port 259, attackers can gain unauthorized access to arbitrary hosts. This vulnerability carries a high CVSS score of 7.5, indicating a severe risk with network-based attacks, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. Despite its age and severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:checkpoint:firewall-1:4.1:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:checkpoint:firewall-1:4.1:sp2:*:*:*:*:*:*
4.1_build_41439CPE matchmatch criteria
cpe:2.3:a:checkpoint:firewall-1:4.1_build_41439:*:*:*:*:*:*:*

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
3.20%
Probability of exploitation in next 30 days
EPSS Percentile
86.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0320 is in the 76th percentile among its peer group of 51,551 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/2001-07/0128.html
PatchVendor Advisory
ciac.llnl.gov / ciac/bulletins/l-109.shtml
online.securityfocus.com / cgi-bin/archive.pl
exchange.xforce.ibmcloud.com / vulnerabilities/6815
cert.org / advisories/CA-2001-17.html
US Government Resource
checkpoint.com / techsupport/alerts/rdp.html
kb.cert.org / vuls/id/310295
US Government Resource
osvdb.org / 1884
securityfocus.com / bid/2952
PatchVendor Advisory