CVE-2001-1030

Name: CVE-2001-1030
Creator: NVD / NIST
Published: 2001-07-18T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.96%

Last modified Jun 16, 2026

CVE-2001-1030 is a vulnerability of currently unknown severity. Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.. EPSS estimates a 1.96% chance of exploitation in the next 30 days.

Description

Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.

Metrics

EPSS Probability

1.96%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Caldera	Openlinux Server	3.1
Immunix	Immunix	6.2
Immunix	Immunix	7.0
Immunix	Immunix	7.0_beta
Mandrakesoft	Mandrake Single Network Firewall	7.2
Squid	Squid Web Proxy	2.3stable3
Squid	Squid Web Proxy	2.3stable4
Mandrakesoft	Mandrake Linux	7.1
Mandrakesoft	Mandrake Linux	7.2
Mandrakesoft	Mandrake Linux	8.0
Mandrakesoft	Mandrake Linux Corporate Server	1.0.1
Redhat	Linux	7.0
Trustix	Secure Linux	1.1
Trustix	Secure Linux	1.01
Trustix	Secure Linux	1.2

References

http://archives.neohapsis.com/archives/bugtraq/2001-07/0362.htmlPatch, Vendor Advisory
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-031-01Patch, Vendor Advisory
http://www.calderasystems.com/support/security/advisories/CSSA-2001-029.0.txt
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-066.php3
http://www.redhat.com/support/errata/RHSA-2001-097.htmlPatch, Vendor Advisory
http://www.securityfocus.com/archive/1/197727Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6862
http://archives.neohapsis.com/archives/bugtraq/2001-07/0362.htmlPatch, Vendor Advisory
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-031-01Patch, Vendor Advisory
http://www.calderasystems.com/support/security/advisories/CSSA-2001-029.0.txt
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-066.php3
http://www.redhat.com/support/errata/RHSA-2001-097.htmlPatch, Vendor Advisory
http://www.securityfocus.com/archive/1/197727Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6862

Timeline

Published: Jul 18, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-1030?

How severe is CVE-2001-1030?

Severity scoring for CVE-2001-1030 is pending analysis. The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.

How do I fix CVE-2001-1030?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-1030?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST