CVE-2020-11984: apache http_server
Vulnerability summary
CVE-2020-11984 is a critical (CVSS 9.8) vulnerability in apache http_server. EPSS estimates a 90.04% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 5Timeline
- 07-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
90.04%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 90.04% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Oracle7 products
- communications_element_manager≥ 8.2.0, ≤ 8.2.2
- communications_session_report_manager≥ 8.2.0, ≤ 8.2.2
- communications_session_route_manager≥ 8.2.0, ≤ 8.2.2
- enterprise_manager_ops_center12.4.0.0
- hyperion_infrastructure_technology11.1.2.4
Debian3 products
- apache2< 2.4.46-1
- uwsgi< 2.0.14+20161117-3+deb9u3 | All versions (No fix recorded)
- debian_linuxEOL9.0 | 10.0
Ubuntu2 products
- apache2< 2.4.41-4ubuntu3.1
- uwsgi< 2.0.15-10.2ubuntu2.2 | < 1.9.17.1-5ubuntu0.1+esm1 | < 2.0.12-5ubuntu3.2+esm1
Alpine1 product
- apache2< 2.4.46-r0
Apache1 product
- http_server≥ 2.4.32, ≤ 2.4.43
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 20.04
Fedoraproject1 product
- fedoraEOL31 | 32
Netapp1 product
Opensuse1 product
- leapEOL15.1 | 15.2
9 vendors · 18 products
References
42 linksShow all 42 references
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/09/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory
- packetstormsecurity.com/files/159009/Apache2-mod_proxy_uwsgi-Incorrect-Request-Handling.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry