5.3

CVE-2020-11985: apache http_server

Modified
AliasesRHBA-2015:2194UBUNTU-CVE-2020-11985DEBIAN-CVE-2020-11985
Published 07-08-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-11985 is a medium (CVSS 5.3) vulnerability in apache http_server. EPSS estimates a 7.05% chance of exploitation in the next 30 days, higher than 94.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
7.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
RHSA-2017:1161SUSE-SU-2020:2450-1

Timeline

  1. 07-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

7.05%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

No change 0.00 pp

From 7.05% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat9 products
  • httpd< 0:2.4.6-40.el7
  • httpd-debuginfo< 0:2.4.6-40.el7
  • httpd-devel< 0:2.4.6-40.el7
  • httpd-manual< 0:2.4.6-40.el7
  • httpd-tools< 0:2.4.6-40.el7
Apache1 product
Debian1 product
  • apache2< 2.4.25-1
Ubuntu1 product
  • apache2All versions (No fix recorded) | < 2.4.18-2ubuntu3.15

4 vendors · 12 products

References

55 links
Show all 55 references