MEDIUM SEVERITY

CVE-2007-1869

Lighttpd vulnerability

CVSS
5.0
EPSS
3.4%
EPSS pct
88th
Exploited
No known
lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.
Affected vendor
Lighttpd
Affected product
Lighttpd
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2007-04-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2007-1869

  • Confirm whether Lighttpd Lighttpd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-1869.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-1869

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-1869 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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