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Fencer Vulns
high 7.8

CVE-2023-4991 json

NextBX QWAlerter QWAlerter.exe unquoted search path

published 2023-09-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54821

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

A vulnerability was found in NextBX QWAlerter 4.50. It has been rated as critical. Affected by this issue is some unknown functionality of the file QWAlerter.exe. The manipulation leads to unquoted search path. It is possible to launch the attack on the local host. The identifier of this vulnerability is VDB-239804. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 6.8 AV:L/AC:L/Au:S/C:C/I:C/A:C
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • NextBX QWAlerter

Classification

Weakness
  • CWE-428 Unquoted Search Path or Element

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.