CVE-2023-46730Public exploitNetwork attack vector

Authenticated resource disclosure via unrestricted upload URL

Published Nov 7, 2023 · Updated Sep 4, 2024

SSRF in the upload endpoint of GroupOffice allows remote authenticated users to read server-accessible resources through crafted URLs. The /api/upload.php handler passes its unfiltered url query parameter to the HTTP client's download method and stores the response as a retrievable blob. Any authenticated account can target internal HTTP services or file URLs, exposing response content and local files readable by the server.

CVSS severity7.4
High
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

SSRF in the upload endpoint of GroupOffice allows remote authenticated users to read server-accessible resources through crafted URLs. The /api/upload.php handler passes its unfiltered url query parameter to the HTTP client's download method and stores the response as a retrievable blob. Any authenticated account can target internal HTTP services or file URLs, exposing response content and local files readable by the server.

The record

CVE
CVE-2023-46730
Published
Nov 7, 2023
Updated
Sep 4, 2024
Vendor
Intermesh BV
Product
GroupOffice
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 6.3.0, < 6.6.177
  2. Affected versionversion=6.30 <6.6.177
  3. Affected versionversion=>= 6.7.0, < 6.7.54
  4. Affected versionversion=6.70 <6.7.54
  5. Affected versionversion=>= 6.8.0, < 6.8.15
  6. Affected versionversion=6.80 <6.8.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Intermesh BV · GroupOfficeversion=>= 6.3.0, < 6.6.177; version=6.30 <6.6.177; version=>= 6.7.0, < 6.7.54; version=6.70 <6.7.54; version=>= 6.8.0, < 6.8.15; version=6.80 <6.8.15

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.4GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo