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CVE-2019-0211

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 …

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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.
CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.5/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 65.00%: +0.33

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Cyfirma
Press · 22 May 2026, 07:00 · Kenya Cyber Threat Landscape Report (2025–2026) - Cyfirma
SitePoint
Press · 30 Mar 2025, 07:00 · Building a Network Vulnerability Scanner with Go - SitePoint
Qualys
Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys
The Hacker News
Press · 03 Dec 2021, 08:00 · Why Everyone Needs to Take the Latest CISA Directive Seriously - The Hacker News
Help Net Security
Press · 09 Apr 2019, 07:00 · PoC exploit for Carpe Diem Apache bug released - Help Net Security
See all 10 source documents
Security Affairs
Press · 05 Apr 2019, 07:00 · More than 2 million Apache HTTP servers still affected by CVE-2019-0211 flaw - Security Affairs
Ars Technica
Press · 03 Apr 2019, 07:00 · Serious Apache server bug gives root to baddies in shared host environments - Ars Technica
Help Net Security
Press · 03 Apr 2019, 07:00 · Patched Apache flaw is a serious threat for web hosting providers - Help Net Security
Rapid7
Press · 03 Apr 2019, 07:00 · Apache HTTP Server Privilege Escalation (CVE-2019-0211) Explained - Rapid7
The Hacker News
Press · 02 Apr 2019, 07:00 · New Apache Web Server Bug Threatens Security of Shared Web Hosts - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.5 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 7.8; EPSS 65.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:02.857210+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
02 Apr 2019, 07:00
Published
08 Apr 2019, 21:31
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
22 May 2026, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories