Is CVE-2011-1499 being actively exploited?

CVE-2011-1499 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1499?

CVE-2011-1499 has a CVSS 2.0 base score of 2.6 (LOW).

CVE-2011-1499

LOW · CVSS 2.6EPSS 1.8%EU EUVD

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.

Key facts

CVSS score: 2.6 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:H/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-16
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1500)
Published: April 29, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1500 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
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banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy
banu / tinyproxy

and 2 more…

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493(Issue Tracking, Patch)
http://openwall.com/lists/oss-security/2011/04/07/9(Mailing List, Third Party Advisory)
http://openwall.com/lists/oss-security/2011/04/08/3(Mailing List, Third 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 Tracking, Patch)
https://exchange.xforce.ibmcloud.com/vulnerabilities/67256

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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