CVE & CISA-KEV Catalog

CVE-2013-4508

HIGHEPSS 84th pctl
7.5
CVSS v3
NVD

Description

lighttpd before 1.4.34, when SNI is enabled, configures weak SSL ciphers, which makes it easier for remote attackers to hijack sessions by inserting packets into the client-server data stream or obtain sensitive information by sniffing the network.

How to fix

Remediation Available
lighttpdDebian
Fixed in:1.4.33-1+nmu1CVE-2013-4508
Fixed in:1.4.33-1+nmu1CVE-2013-4508
Fixed in:1.4.33-1+nmu1CVE-2013-4508
Fixed in:1.4.33-1+nmu1CVE-2013-4508

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

2.63%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Related Vulnerabilities

Other CWE-326 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0224High7.495%-Fix
CVE-2017-1000486Critical9.894%KEVFix
CVE-2013-2566Medium5.984%-Fix
CVE-2017-11317Critical9.883%KEV-
CVE-2018-18325High7.574%KEV-
CVE-2018-15811High7.574%KEV-

Common questions

How do I fix CVE-2013-4508?

Upgrade lighttpd on debian 11 to 1.4.33-1+nmu1 or later.

Is CVE-2013-4508 being actively exploited?

Not that we know of. CVE-2013-4508 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2013-4508?

CVE-2013-4508 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2013-4508 affect?

Published advisories record a fix for lighttpd (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.