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Vulnerability record · CVE-2011-1499 · published 29 April 2011

CVE-2011-1499: Banu tinyproxy vulnerability

Banu · Tinyproxy

acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

2.6 CVSS 2.0 Low EPSS 1.8% · top 23.0% CWE-16 · CWE-16
2.6CVSS 2.0 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493 Issue TrackingPatch
http://openwall.com/lists/oss-security/2011/04/07/9 Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2011/04/08/3 Mailing ListThird Party Advisory
http://secunia.com/advisories/44274
http://www.debian.org/security/2011/dsa-2222 Third Party Advisory
https://banu.com/bugzilla/show_bug.cgi?id=90 Broken Link
https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=694658 Issue TrackingPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/67256
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493 Issue TrackingPatch
http://openwall.com/lists/oss-security/2011/04/07/9 Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2011/04/08/3 Mailing ListThird Party Advisory
http://secunia.com/advisories/44274
http://www.debian.org/security/2011/dsa-2222 Third Party Advisory
https://banu.com/bugzilla/show_bug.cgi?id=90 Broken Link
https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=694658 Issue TrackingPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/67256

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Source: NIST National Vulnerability Database (record CVE-2011-1499), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.