UpHeron
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Servers and applications

CVE-2020-11985

IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020.

Severity
Medium 5.3
Published
7 Aug 2020
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.4.1 up to 2.4.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-11985
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-11985