CVE-2022-50993Disclosure

LOWCVSS 9.3 · CRITICAL

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows remote attackers to upload malicious files by sending multipart POST requests with arbitrary filenames and disguised content types. Attackers can upload PHP webshells to the Document directory and execute them via HTTP GET requests to achieve remote code execution as the web server user. Exploitation evidence was first observed by the Shadowserver Foundation on 2022-10-10 (UTC).

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-434

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-04-30: 3Technical Details · 2026-04-30: 304-30
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    CVE-2022-50993 Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows r… https://www.cve.org/CVERecord?id=CVE-2022-50993

    Post summary

    The post announces CVE‑2022‑50993, an unauthenticated arbitrary file upload vulnerability in E‑office prior to version 10.0_20221201, without any PoC, exploit details, or patch information.

    00010112
    57.3K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2022-50993 Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows r… https://www.cve.org/CVERecord?id=CVE-2022-50993 ----- Traducción: CVE-2022-50993 Wea… http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2022‑50993, detailing an unauthenticated arbitrary file upload flaw in Fanwei E‑office versions prior to 10.0_20221201.

    000005
    74 followersView on X
  • Kaitan ID Security@KaitanSecurity
    Disclosure

    🚨 CRITICAL — CVE-2022-50993 Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability… CVSS 9.8 🔴 No patch yet Full analysis → https://sec.kaitan.id/cves/CVE-2022-50993 #HP #CyberSecurity #InfoSec

    Post summary

    The post announces a critical unpatched unauthenticated file‑upload vulnerability (CVE‑2022‑50993) with high CVSS, but it does not provide proof‑of‑concept, exploit code, or evidence of active exploitation.

    0000018
    256 followersView on X

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