Page generated: 08 Nov 2026, 10:39 UTC
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CVE-2024-55956

In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.9/10
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: 93.97%: +0.47

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

Sources: 12 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

Recorded Future
Press · 21 Jan 2025, 08:00 · Cleo MFT Vulnerability CVE-2024-50623: Critical RCE Risk - Recorded Future
Cybernews
Press · 15 Jan 2025, 08:00 · Cl0p threatens to publish ransomed data from 59 Cleo hack victims by Friday - Cybernews
Huntress
Press · 06 Jan 2025, 08:00 · Threat Advisory: Oh No Cleo! Cleo Software Actively Being Exploited in the Wild - Huntress
Cybersecurity Dive
Press · 19 Dec 2024, 08:00 · Mandiant traces Cleo file-transfer exploits back to October - Cybersecurity Dive
Cybersecurity Dive
Press · 16 Dec 2024, 08:00 · Cleo releases CVE for actively exploited flaw in file-transfer software - Cybersecurity Dive
See all 12 source documents
SecurityWeek
Press · 16 Dec 2024, 08:00 · CVE Assigned to Cleo Vulnerability as Cl0p Ransomware Group Takes Credit for Exploitation - SecurityWeek
SOCRadar
Press · 16 Dec 2024, 08:00 · Cleo File Transfer Flaws – Cl0P's Latest Attack Vector - SOCRadar
TechTarget
Press · 16 Dec 2024, 08:00 · Cleo zero-day vulnerability gets CVE as attacks continue - TechTarget
TechTarget
Press · 16 Dec 2024, 08:00 · Cleo zero-day vulnerability gets CVE as attacks continue - TechTarget
BleepingComputer
Press · 15 Dec 2024, 08:00 · Clop ransomware claims responsibility for Cleo data theft attacks - BleepingComputer
Rapid7
Press · 10 Dec 2024, 08:00 · Widespread Exploitation of Cleo File Transfer Software (CVE-2024-55956) - Rapid7
The Hacker News
Press · 10 Dec 2024, 08:00 · Cleo File Transfer Vulnerability Under Exploitation – Patch Pending, Mitigation Urged - 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 8.9 (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 94.0%
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 13:59:22.128001+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
10 Dec 2024, 08:00
Published
13 Dec 2024, 00:00
Added to the CISA KEV catalog
17 Dec 2024, 00:00
Latest press mention
21 Jan 2025, 08:00
Score calculated
05 Nov 2026, 13:59