Skip to content
Fencer Vulns
high 7.5

CVE-2023-40511 json

LG Simple Editor checkServer Authentication Bypass Vulnerability

published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45082

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

LG Simple Editor checkServer Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the checkServer method. The issue results from the exposure of plaintext credentials. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-20013.

Patch / fix

  • lg simple_editor 3.21.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • LG Simple Editor
  • lg simple_editor

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-522 Insufficiently Protected Credentials

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.