Page generated: 10 Nov 2026, 15:48 UTC
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CVE-2025-42599

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

CVSS 9.8 (CRITICAL) 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 9.8: +1.47
  • Fresh EPSS: 3.36%: +0.02

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

Sources: 5 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

Flashpoint.io
Press · 31 Dec 2025, 08:00 · Flashpoint Weekly Vulnerability Insights and Prioritization Report - Flashpoint.io
Help Net Security
Press · 29 Apr 2025, 07:00 · CISA warns about actively exploited Broadcom, Commvault vulnerabilities - Help Net Security
SecurityWeek
Press · 29 Apr 2025, 07:00 · CISA Warns of Exploited Broadcom, Commvault Vulnerabilities - SecurityWeek
The Hacker News
Press · 28 Apr 2025, 07:00 · Hackers Exploit Critical Craft CMS Flaws; Hundreds of Servers Likely Compromised - The Hacker News
BleepingComputer
Press · 22 Apr 2025, 07:00 · Active! Mail RCE flaw exploited in attacks on Japanese orgs - BleepingComputer

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 15:13). 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.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 3.4%
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
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:37.110490+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
18 Apr 2025, 03:52
First press mention
22 Apr 2025, 07:00
Added to the CISA KEV catalog
28 Apr 2025, 00:00
Latest press mention
31 Dec 2025, 08:00
Score calculated
05 Nov 2026, 13:59