CVE-2020-11985

mediumpriority · track · 23OT risk · elevatedEPSS 0.070 · 94 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

7.05% (94th) EPSS

CVSS 4.3 · medium

Is it mine?

20 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345USprimaryCWE-345US

affected products (20)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Apache HTTP Server <2.4.44all versionscert_bundDE
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Apache HTTP Server< 2.4.44cert_bundDE
n/a Apache HTTP Server≤ 2.4.1 to 2.4.23enisa_euvdEU
Apache Software Foundation HTTP Server2.4.1 → 2.4.23fstec_bduRU
Fedora Project Fedora≤ 31fstec_bduRU
Fedora Project Fedora≤ 32fstec_bduRU
Oracle Corp. Enterprise Manager Ops Center≤ 12.4.0.0fstec_bduRU
Oracle Corp. Hyperion Infrastructure Technology≤ 11.1.2.4fstec_bduRU
Oracle Corp. Sun ZFS Storage Appliance Kit≤ 8.8fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 7fstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization≤ 2.1fstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization 3.0≤ 3.0fstec_bduRU
apache http server2.4.1 → 2.4.23nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Bitnami apache2.4.1 → 2.4.24osvUSpkg:bitnami/apache

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-3319Apache HTTP Server: Mehrere SchwachstellenDeutsch2020-08-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache HTTP Server ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen, seine Adresse zu spoofen, Informationen offenzulegen oder einen Denial of Service zu verursachen.
BIT-apache-2020-119852024-03-06vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2020-08-07modified 2026-06-17

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+1444 more

references (56)

External citations — patches, advisories, analysis.

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