CVE-2019-0211
HighExploitedPublic exploitIn Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent…
Published Apr 8, 2019 · Updated Sep 23, 2026 · Also known as ALPINE-CVE-2019-0211, DEBIAN-CVE-2019-0211, UBUNTU-CVE-2019-0211
Key Facts
Patch immediately- CVE-2019-0211 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting HTTP Server (Apache), Oncommand Unified Manager (Netapp), Communications Session Report Manager (Oracle) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- Fixed versions are available, including apache 2.4.39-1, HTTP Server <=2.4.38, apache2 2.4.18-2ubuntu3.10.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-0211 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating the scoreboard. Non-Unix systems are not affected.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Nov 3, 2021 | May 3, 2022 | Known |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
239 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| HTTP ServerApache | 12.2.1.3.0, >= 2.4.17 to 2.4.38 | 2.4.38 |
| Oncommand Unified ManagerNetapp | See advisory | n/a |
| Communications Session Report ManagerOracle | 8.0.0, 8.1.0, 8.1.1, 8.2.0 | n/a |
| Communications Session Route ManagerOracle | 8.0.0, 8.1.0, 8.1.1, 8.2.0 | n/a |
| Enterprise Manager Ops CenterOracle | 12.3.3, 12.4.0 | n/a |
Patched Releases
apache
2.4.39-1
HTTP Server
<=2.4.38
apache2
2.4.18-2ubuntu3.10, 2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.25-3+deb9u7, 2.4.29-1ubuntu4.6, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1, 2.4.38-3, 2.4.39-r0, 2.4.7-1ubuntu4.22
apache2-devel
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1
apache2-doc
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1
apache2-event
2.4.23-45.1, 2.4.23-49.1, 2.4.33-lp150.2.17.1
apache2-example-pages
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-lp150.2.17.1
apache2-prefork
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1
apache2-utils
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1
apache2-worker
2.4.23-29.40.1, 2.4.23-45.1, 2.4.23-49.1, 2.4.33-3.15.1, 2.4.33-lp150.2.17.1
httpd
2.4.37-11.0.1.module+el8.0.0+5209+a98d70d6, 2.4.39-1.amzn2.0.1, 2.4.39-1.ph1, 2.4.39-1.ph2, 2.4.39-1.ph3
httpd-devel
2.4.37-11.0.1.module+el8.0.0+5209+a98d70d6, 2.4.39-1.amzn2.0.1
httpd-filesystem
2.4.37-11.0.1.module+el8.0.0+5209+a98d70d6, 2.4.39-1.amzn2.0.1
httpd-manual
2.4.37-11.0.1.module+el8.0.0+5209+a98d70d6, 2.4.39-1.amzn2.0.1
httpd-tools
2.4.37-11.0.1.module+el8.0.0+5209+a98d70d6, 2.4.39-1.amzn2.0.1
httpd:2.4
8000020190405071959.55190bc5
httpd24
2.4.39-1.87.amzn1
httpd24-devel
2.4.39-1.87.amzn1
httpd24-httpd
0:2.4.34-7.el6.1, 0:2.4.34-7.el7.1
httpd24-manual
2.4.39-1.87.amzn1
httpd24-mod_auth_mellon
0:0.13.1-2.el7.1
httpd24-tools
2.4.39-1.87.amzn1
jbcs-httpd24-httpd
0:2.4.29-40.jbcs.el6, 0:2.4.29-40.jbcs.el7
jbcs-httpd24-openssl
1:1.0.2n-15.jbcs.el6, 1:1.0.2n-15.jbcs.el7
mod_http2
1.11.3-2.module+el8.0.0+5209+a98d70d6
Timeline
Publicly disclosed
Apr 8, 2019
Added to CISA KEV
Nov 3, 2021
Added to Industry KEV feed
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Sep 23, 2026
Weakness Type
- CWE-250 Execution with Unnecessary Privileges
- CWE-416 Use After Free
References
- advisoryopenSUSE-SU-2019:1190
- advisoryopenSUSE-SU-2019:1209
- advisoryopenSUSE-SU-2019:1258
- advisoryhttp://packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.html
- advisoryRHBA-2019:0959
FAQ
Common Questions.
In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating…
Affected: HTTP Server (Apache) versions 12.2.1.3.0, >= 2.4.17 to 2.4.38; Oncommand Unified Manager (Netapp); Communications Session Report Manager (Oracle) versions 8.0.0, 8.1.0, 8.1.1, 8.2.0, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021 and is known to be used in ransomware campaigns.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including apache 2.4.39-1, HTTP Server <=2.4.38, apache2 2.4.18-2ubuntu3.10.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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