CVE-2019-0211
Apache HTTP Server: Privilege Escalation
As of , CVE-2019-0211 in Apache HTTP Server is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 3 November 2021
- US federal deadline
- 3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.65Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
- Public exploit
- 1 Exploit-DB entry
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Apache HTTP Server, 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 code with the privileges of the parent process (usually root) by manipulating the scoreboard.
CISA's 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.
The CVE record's description, from apache
- CVE published
- 8 April 2019
- Assigned by
- apache
- CVSS
- 7.8 High (CVSS 3.1, from CISA-ADP)
- CWE-416
- Use After Free
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 46676).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Exploit-DB: Apache 2.4.17 < 2.4.38 - 'apache2ctl graceful' 'logrotate' Local Privilege EscalationEDB-ID 46676, 8 April 2019
HTTP Server: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2021-41773Path Traversal | Apache HTTP Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2021-42013Path Traversal | Apache HTTP Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2024-38475Improper Escaping of Output | Apache HTTP Server | Patch this weekEPSS 0.99 | 0.99 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org