CVE-2024-50623
Confirmed PUBLISHEDIn 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...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Oct 27, 2024
- Exploitation Reported
- Dec 13, 2024
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| cleo |
harmomy
|
0 to < 5.8.0.21 |
Affected |
| cleo |
vltrader
|
0 to < 5.8.0.21 |
Affected |
| cleo |
lexicom
|
0 to < 5.8.0.21 |
Affected |
| n/a |
n/a
|
n/a |
Affected |
CVE References
- support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Produc... support.cleo.com · CVE Record https://support.cleo.com/hc/en-us/articles/27140294267799-Cleo-Produc...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-12-13 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-50623.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2024-12-13 00:00:00 UTC · CISA
Used in malware
Recorded 2024-12-13 00:00:00 UTC · CISA
Proof of concept available
Recorded 2024-12-11 14:19:55 UTC · GitHub
Weaknesses (CWE)
-
Unrestricted Upload of File with Dangerous Type
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-50623.yaml | Apr 25, 2025 |
| Nessus | https://www.tenable.com/plugins/nessus/213295 | Dec 20, 2024 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-12-31 07:43:48 UTC · 4 stars
Cleo 远程代码执行漏洞批量检测脚本（CVE-2024-50623）
github · Created 2024-12-23 08:52:23 UTC · 6 stars
CVE-2024-50623 POC - Cleo Unrestricted file upload and download
github · Created 2024-12-11 14:19:55 UTC · 22 stars
Cleo Unrestricted file upload and download PoC (CVE-2024-50623)
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
20:33 UTC over 1 year ago20:33 UTC · over 1 year ago
Nessus plugin available
Scanner coverage available
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
First public exploitation report
Exploit observed in malware
-
14:19 UTC over 1 year ago14:19 UTC · over 1 year ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2024-50623
{
"cve_id": "CVE-2024-50623",
"title": "In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before...",
"affected_vendor": "Cleo",
"affected_product": "[\"Harmony\", \"VLTrader\", \"LexiCom\"]",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}