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Fencer Vulns
medium 4.8

CVE-2023-41165 json

An issue was discovered in Stormshield Network Security (SNS) 3.7.0 through 3.7.38 before 3.7.39, 3.10.0 through 3.11.26 before 3.11.27, 4.…

published 2023-12-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45683

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

An issue was discovered in Stormshield Network Security (SNS) 3.7.0 through 3.7.38 before 3.7.39, 3.10.0 through 3.11.26 before 3.11.27, 4.0 through 4.3.21 before 4.3.22, and 4.4.0 through 4.6.8 before 4.6.9. An administrator with write access to the SNS firewall can configure a login disclaimer with malicious JavaScript elements that can result in data theft.

Patch / fix

  • stormshield stormshield_network_security 3.7.39, 3.11.27, 4.3.22, 4.6.9

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.