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Public proof of concept

CVE-2023-2766

A public proof of concept exists; no exploitation attested.

  • Published2023-05-17
  • WeaknessCWE-552

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was found in Weaver OA 9.5 and classified as problematic. This issue affects some unknown processing of the file /building/backmgr/urlpage/mobileurl/configfile/jx2_config.ini. The manipulation leads to files or directories accessible. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-229271. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Timeline

dates in UTC
  1. 2023-05-1717:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-2766?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-2766?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Weaver e-office
BranchAffectedFixed in
9.5= 9.5no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.15.3known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CNACVSS 2.05known since 2026-10-23
  • CNAweakness (CWE)CWE-552known since 2026-10-23
  • FIRST EPSSEPSS score54.2 %read 2026-11-02
  • ProjectDiscoverydetectionread 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2023-05-17
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-2766?

A vulnerability was found in Weaver OA 9.5 and classified as problematic. This issue affects some unknown processing of the file /building/backmgr/urlpage/mobileurl/configfile/jx2_config.ini. The manipulation leads to files or directories accessible. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-229271. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2023-2766 actively exploited?

Active exploitation of CVE-2023-2766 has not been confirmed. Its EPSS score was 54.2% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-2766?

CVE-2023-2766 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record