Arbitrary file upload in E-Office
CVE-2023-2523
A vulnerability was found in Weaver E-Office 9.5. It has been rated as critical. Affected by this issue is some unknown functionality of the file App/Ajax/ajax.php?action=mobile_upload_save. The manipulation of the argument upload_quwan leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-228014 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.329 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.329 · newest: 0.329 · change: 0.000
Affected products
- E-Office — versions 9.5
- Weaver E-Office — versions 9.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Permissions Required, technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
- github.com/RCEraser/cve/blob/main/Weaver.md (Exploit, exploit)
Frequently asked questions
- What is CVE-2023-2523?
- CVE-2023-2523 is a high-severity vulnerability in E-Office, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.3/10. Published 2023-05-04.
- How severe is CVE-2023-2523?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2023-2523 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.