Is CVE-2013-4508 in the CISA KEV catalog?

No. CVE-2013-4508 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-4508?

CVE-2013-4508 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2013-4508?

CVE-2013-4508 has an EPSS score of 2.63% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-4508?

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

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.

CWE-326

How to fix

Remediation Available

lighttpdDebian

Fixed in:1.4.33-1+nmu1CVE-2013-4508

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

Exploit1

download.lighttpd.net

Vendor Advisory1

redmine.lighttpd.net

Third-Party Advisory5

Other references1

redmine.lighttpd.net

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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.