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CVE-2011-1499

14
FAUCET Score

CVE-2011-1499 describes a vulnerability in Tinyproxy versions prior to 1.8.3, affecting products like banu tinyproxy and debian tinyproxy. When an "Allow" configuration setting uses a CIDR block, the proxy incorrectly permits connections from all IP addresses, effectively creating an open proxy. This vulnerability has a low CVSS score of 2.6, indicating a network attack vector with high complexity and a potential impact limited to information integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.2CPE matchmatch criteria
cpe:2.3:a:banu:tinyproxy:*:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:banu:tinyproxy:1.5.0:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:banu:tinyproxy:1.5.0:pre1:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:banu:tinyproxy:1.5.0:pre2:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:banu:tinyproxy:1.5.0:pre3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 66th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
Issue TrackingPatch
openwall.com / lists/oss-security/2011/04/07/9
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2011/04/08/3
Mailing ListThird Party Advisory
banu.com / bugzilla/show_bug.cgi
Broken Link
banu.com / cgit/tinyproxy/diff
Broken Link
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
secunia.com / advisories/44274
exchange.xforce.ibmcloud.com / vulnerabilities/67256
debian.org / security/2011/dsa-2222
Third Party Advisory