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Dossier · Vulnerability

Actively exploited · CISA KEV · NVD published 2024-10-28

CVE-2024-50623

In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.

  1. First PoC
  2. 675 days →First cited attacker

Signals

Exploited in the wild
Yesadded 2024-12-13 · due 2025-01-03 · known ransomware use. An observation, not a forecast.
EPSS · 30-day forecast
99%Chance of exploitation in the next 30 days, 100th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · CRITICAL
9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

5 known · links only

GitHub PoCs · by trust, then stars4

  1. watchtowrlabs/CVE-2024-50623 ↗Trust ok 100

    Cleo Unrestricted file upload and download PoC (CVE-2024-50623)

    ★ 25 · created 2024-12-11

  2. verylazytech/CVE-2024-50623 ↗Trust ok 100

    CVE-2024-50623 POC - Cleo Unrestricted file upload and download

    ★ 7 · created 2024-12-23

  3. iSee857/Cleo-CVE-2024-50623-PoC ↗Trust ok 100

    Cleo 远程代码执行漏洞批量检测脚本（CVE-2024-50623）

    ★ 5 · created 2024-12-31

  4. congdong007/CVE-2024-50623-poc ↗Trust ok 100

    ★ 0 · created 2025-04-01

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

Nuclei1

  1. Cleo Harmony < 5.8.0.21 - Arbitary File Read ↗

    In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.

    yaml · seen 2026-10-18

On the wire

0 dispatches

No dispatch on our wire has named this CVE yet.

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