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Servers and applications

CVE-2015-3200

mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP authentication string without a colon character, as demonstrated by a string containing a NULL and new line character.

Severity
High 7.5
Published
9 Jun 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
9.9% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Injection (CWE-74)
Attack
Over the network · No login needed · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
lighttpdServers and applications · cpe:a:lighttpd:lighttpd
  • Every version up to 1.4.35

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-3200
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-3200