Is CVE-2011-1499 in the CISA KEV catalog?

No. CVE-2011-1499 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1499?

CVE-2011-1499 has a CVSS v2 base score of 2.6 (LOW).

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

CVE-2011-1499 has an EPSS score of 1.75% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1499?

Upgrade tinyproxy on debian 11 to 1.8.2-2 or later.

CVE & CISA-KEV Catalog

CVE-2011-1499

LOWEPSS 75th pctl

2.6

CVSS v2

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.

CWE-16

How to fix

Remediation Available

tinyproxyDebian

Fixed in:1.8.2-2CVE-2011-1499

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.75%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch2

Third-Party Advisory3

Other references4

Related Vulnerabilities

Other CWE-16 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-2335	Medium	5.0	85%	-	Fix
CVE-2004-2687	High	9.3	81%	-	Fix
CVE-2006-3677	High	7.5	78%	-	Fix
CVE-2011-4404	Medium	5.0	60%	-	-
CVE-2006-0848	Medium	5.1	58%	-	-
CVE-2007-3898	Medium	6.4	55%	-	-

Embed a live status badge for CVE-2011-1499

Markdown

[![CVE-2011-1499](https://tridentstack.com/cve/badge/CVE-2011-1499.svg)](https://tridentstack.com/cve/CVE-2011-1499)

HTML

<a href="https://tridentstack.com/cve/CVE-2011-1499"><img src="https://tridentstack.com/cve/badge/CVE-2011-1499.svg" alt="CVE-2011-1499"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.