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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.4.1 ≤
𝑥
≤ 2.4.23
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
bionic
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
Fixed 2.4.18-2ubuntu3.15
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
apache2
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
apache2-doc
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
apache2-example-pages
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
apache2-prefork
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
apache2-utils
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
apache2-worker
suse enterprise sap 12 SP2
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP3
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP4
2.4.23-29.63.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.63.1
fixed
suse enterprise server 12 SP2
2.4.23-29.63.1
fixed
suse enterprise server 12 SP3
2.4.23-29.63.1
fixed
suse enterprise server 12 SP4
2.4.23-29.63.1
fixed
suse enterprise server 12 SP5
2.4.23-29.63.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
httpd
RHEL 7
0:2.4.6-40.el7
fixed
httpd-devel
RHEL 7
0:2.4.6-40.el7
fixed
httpd-manual
RHEL 7
0:2.4.6-40.el7
fixed
httpd-tools
RHEL 7
0:2.4.6-40.el7
fixed
mod
RHEL 7
1:2.4.6-40.el7
fixed
References