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NVD / CVE Program· CNA zdi

CVE-2023-40510: LG Simple Editor getServerSetting Authentication Bypass Vulnerability

Noroxi assessment

Priority: Monitor (action score 30/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.3% (FIRST EPSS); higher than 72.1% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • According to the record, no fixed version is available yet.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

LG Simple Editor getServerSetting 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 getServerSetting 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-20012.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
May 2, 2024
Updated
Jun 17, 2026
EPSS
1.3% · 72th percentile

Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.3%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.5
CNA · zdi
7.5
agree

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-40510

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
lgsimple editor

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • lg simple editor3.21.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (zdi). Independent of NVD's CPE analysis and usually ahead of it.

  • LG Simple Editor

    • LG Simple Editor 3.21.0affected

Same product

lg: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-40504LG Simple Editor readVideoInfo Command Injection Remote Code Execution Vulnerability
    66This week
  • CVE-2023-40498LG Simple Editor cp Command Directory Traversal Remote Code Execution Vulnerability
    65This week
  • CVE-2023-40502LG Simple Editor cropImage Directory Traversal Arbitrary File Deletion Vulnerability
    61This week

Published before and after this one in the same product

  • ← EarlierCVE-2023-40508May 2, 2024 · LG Simple Editor putCanvasDB Directory Traversal Arbitrary File Deletion Vulnerability
    37Monitor
  • ← EarlierCVE-2023-40509May 2, 2024 · LG Simple Editor deleteCanvas Directory Traversal Arbitrary File Deletion Vulnerability
    37Monitor
  • Later →CVE-2023-40511May 2, 2024 · LG Simple Editor checkServer Authentication Bypass Vulnerability
    30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-405110 days apartLG Simple Editor checkServer Authentication Bypass Vulnerability
    30Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2023-405160 days apartLG Simple Editor Incorrect Permission Assignment Local Privilege Escalation Vulnerability
    31Monitor
  • CVE-2023-405120 days apartLG Simple Editor PlayerController getImageByFilename Directory Traversal Information Disclosure Vulnerability
    27Monitor
  • CVE-2023-405130 days apartLG Simple Editor UserManageController getImageByFilename Directory Traversal Information Disclosure Vulnerability
    27Monitor
  • CVE-2023-405140 days apartLG Simple Editor FileManagerController getImageByFilename Directory Traversal Information Disclosure Vulnerability
    27Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

The bug in code

The whole CWE-200 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records