Page generated: 06 Nov 2026, 03:51 UTC
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CVE-2026-0321

Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigg…

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Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Cloud NGFW and Panorama are not affected by this vulnerability.
CVSS 6.6 (MEDIUM)

Attention and evidence

HYPE SCORE
0.6/10
REALITY · THREAT PRIORITY
2.3/10
General review priority; not probability

Evidence confidence: Insufficient evidence

Why this priority?
  • Technical severity: CVSS 6.6: +2.31
  • Fresh EPSS: 0.33%: +0.01

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

Sources: 1 documents and public datasets.

Hype components

Headline sample (25%)
10/100
Press, 30 days (60%)
5/100
Grounded branding (15%)
0/100
HYPE TOTAL6/100

Sources and documents

Palo Alto Networks Security Advisories
Press · 15 Oct 2026, 18:30 · CVE-2026-0321 PAN-OS: Denial of Service (DoS) Vulnerabilities in Network Services (Severity: MEDIUM)

Score evolution

● Hype   ● Reality

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

First record: hype 0.6 · reality 2.3 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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. Published 22 days ago. Exploitation evidence usually takes weeks to show up: a low reality score can mean there is no data yet, not that the flaw is mild.

Evidence in context

Confidence in exploitation evidence
Insufficient evidence
Priority basis
Exploitation in attacks unconfirmed; CVSS 6.6; EPSS 0.3%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
No exploitation observation is recorded.
Known scale
Not quantified.
Evidence confidence basis
Insufficient evidence

Score evaluated: 2026-11-05 13:59:48.680808+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
14 Oct 2026, 19:58
First press mention
15 Oct 2026, 18:30
Latest press mention
15 Oct 2026, 18:30
Score calculated
05 Nov 2026, 13:59