CVE-2011-1499
CVE-2011-1499 is a low-severity vulnerability in Banu Tinyproxy with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-16.
Key facts
- Severity: Low (CVSS 2.0 base score 2.6)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-16
- Affected product: Banu Tinyproxy
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2011-1499?
- 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.
- How severe is CVE-2011-1499?
- CVE-2011-1499 has a CVSS 2.0 base score of 2.6, rated low severity.
- Is CVE-2011-1499 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1499?
- CVE-2011-1499 primarily affects Banu Tinyproxy. In total, 52 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1499?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-1499 published?
- CVE-2011-1499 was published on 2011-04-29 and last updated on 2026-06-16.
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493
- http://openwall.com/lists/oss-security/2011/04/07/9
- http://openwall.com/lists/oss-security/2011/04/08/3
- http://secunia.com/advisories/44274
- http://www.debian.org/security/2011/dsa-2222
- https://banu.com/bugzilla/show_bug.cgi?id=90
- https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4
- https://bugzilla.redhat.com/show_bug.cgi?id=694658
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67256
Affected products (52)
- cpe:2.3:a:banu:tinyproxy:*:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre3:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre4:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre5:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:pre6:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc10:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc7:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc8:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.0:rc9:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre3:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre4:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre5:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:pre6:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:rc2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:rc3:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.1:rc4:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.2:rc2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.5.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:a:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:pre1:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:pre2:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:pre3:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:pre4:*:*:*:*:*:*
- cpe:2.3:a:banu:tinyproxy:1.6.0:rc1:*:*:*:*:*:*
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