CVE-2022-40407
A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.67% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- chamilo/chamilo
- Source
- cve@mitre.org
EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/alexmackey/security-research/blob/main/chamilo/ChamiloRceViaZipSlip.mdExploit, Third Party Advisory
- https://github.com/chamilo/chamilo-lmsProduct
- https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-94-2022-09-06-High-impact-Moderate-risk-Authenticated-RCE-via-zipslip-attack-in-file-uploadExploit, Issue Tracking, Vendor Advisory
- https://github.com/alexmackey/security-research/blob/main/chamilo/ChamiloRceViaZipSlip.mdExploit, Third Party Advisory
- https://github.com/chamilo/chamilo-lmsProduct
- https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-94-2022-09-06-High-impact-Moderate-risk-Authenticated-RCE-via-zipslip-attack-in-file-uploadExploit, Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.