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Fencer Vulns
medium 6.2

CVE-2023-4400 json

A password management vulnerability in Skyhigh Secure Web Gateway (SWG) in main releases 11.x prior to 11.2.14, 10.x prior to 10.2.25 and c…

published 2023-09-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54263

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

A password management vulnerability in Skyhigh Secure Web Gateway (SWG) in main releases 11.x prior to 11.2.14, 10.x prior to 10.2.25 and controlled release 12.x prior to 12.2.1, allows some authentication information stored in configuration files to be extracted through SWG REST API. This was possible due to SWG storing the password in plain text in some configuration files.

Patch / fix

  • Skyhigh Security Skyhigh Secure Web Gateway (SWG) 10.2.25, 11.2.14, 12.2.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Skyhigh Security Skyhigh Secure Web Gateway (SWG)

Classification

Weakness
  • CWE-256 Plaintext Storage of a Password
  • CWE-312 Cleartext Storage of Sensitive Information

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.