Page generated: 11 Nov 2026, 15:34 UTC
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CVE-2022-21907

HTTP Protocol Stack Remote Code Execution Vulnerability

CVSS 9.8 (CRITICAL)

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
6.1/10
General review priority; not probability

Evidence confidence: PoC published; attacks unconfirmed

Why this priority?
  • Technical severity: CVSS 9.8: +3.43
  • Fresh EPSS: 92.79%: +2.32
  • Published PoC; attacks unconfirmed: +0.40

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

Based on public data to date.

Hype components

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

Sources and documents

No source documents yet.

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 6.1 (2026-11-02 15:13). 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
PoC published; attacks unconfirmed
Priority basis
Exploitation in attacks unconfirmed; CVSS 9.8; EPSS 92.8%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Public PoC evidence is present.
Known scale
Not quantified.
Evidence confidence basis
Published PoC artifact; functionality unverified

Score evaluated: 2026-11-05 13:58:35.128013+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
11 Jan 2022, 20:23
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories