Vulnerability · Published May 4, 2023 · Assigned by VulDB

CVE-2023-2523Weaver E-Office unrestricted upload

High 7.3

In plain English

A high-severity unrestricted file upload in E-Office from Weaver. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 32.9% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)32.9%top 1.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Weaver	E-Office	9.5

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

https://vuldb.com/?id.228014 vdb-entry, technical-description
https://vuldb.com/?ctiid.228014 signature, permissions-required
https://github.com/RCEraser/cve/blob/main/Weaver.md exploit