CVE-2023-40517: LG SuperSign Media Editor ContentRestController getObject Directory Traversal Information Disclosure Vulnerabi

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-40517 is a high-severity flaw (CVSS 7.5) affecting supersign media editor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LG SuperSign Media Editor ContentRestController getObject Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of LG SuperSign Media Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getObject method implemented in the ContentRestController class. The issue results from the lack of pr

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-22
Published	2024-05-03
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: lg

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-03 03:15 UTCPublished CVE record published
2026-06-17 06:18 UTCUpdated Record last modified

lg supersign media editor DOWNGRADE

Affected: 3.11.3_20171108

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.11.3_20171108

1. Check installed version

apt-cache policy supersign-media-editor || rpm -q supersign-media-editor || supersign-media-editor --version

2. No fixed release: DOWNGRADE to a release before 3.11.3_20171108 (Debian / Ubuntu)

apt-cache madison supersign-media-editor sudo apt install supersign-media-editor=<VERSION_BEFORE_3.11.3_20171108> sudo apt-mark hold supersign-media-editor

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list supersign-media-editor sudo dnf downgrade supersign-media-editor-<VERSION_BEFORE_3.11.3_20171108> sudo dnf versionlock add supersign-media-editor

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-40517?

supersign media editor: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-40517 being exploited?

CVE-2023-40517 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-40517 affect?

CVE-2023-40517 affects supersign media editor. Severity is high (CVSS 7.5). LG SuperSign Media Editor ContentRestController getObject Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of LG SuperSign Media

How urgent is CVE-2023-40517?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-41181 MEDIUM 5.3 DOWNGRADE LG SuperSign Media Editor getSubFolderList Directory Traversal Information Disclosure Vulnerability

References

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