CVE-2024-7740: A vulnerability has been found in wanglongcn ltcms 1.0.20 and classified as critical

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2024-7740 is a high-severity flaw (CVSS 7.3) affecting ltcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in wanglongcn ltcms 1.0.20 and classified as critical. This vulnerability affects the function download of the file /api/test/download of the component API Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-918
Published	2024-08-13
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: ltcms

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

Am I affected?

Timeline

2024-08-13 20:15 UTCPublished CVE record published
2026-06-17 08:20 UTCUpdated Record last modified

ltcms ltcms DOWNGRADE

Affected: 1.0.20

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.20

1. Check installed version

apt-cache policy ltcms || rpm -q ltcms || ltcms --version

2. No fixed release: DOWNGRADE to a release before 1.0.20 (Debian / Ubuntu)

apt-cache madison ltcms sudo apt install ltcms=<VERSION_BEFORE_1.0.20> sudo apt-mark hold ltcms

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

dnf --showduplicates list ltcms sudo dnf downgrade ltcms-<VERSION_BEFORE_1.0.20> sudo dnf versionlock add ltcms

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-2024-7740?

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

Is CVE-2024-7740 being exploited?

CVE-2024-7740 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-2024-7740 affect?

CVE-2024-7740 affects ltcms. Severity is high (CVSS 7.3). A vulnerability has been found in wanglongcn ltcms 1.0.20 and classified as critical. This vulnerability affects the function download of the file /api/test/download of the component API Endpoint. The manipulation of the argument url leads

How urgent is CVE-2024-7740?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-7743 HIGH 7.3 DOWNGRADE A vulnerability was found in wanglongcn ltcms 1.0.20
CVE-2024-7742 HIGH 7.3 DOWNGRADE A vulnerability was found in wanglongcn ltcms 1.0.20
CVE-2024-7741 MEDIUM 5.3 DOWNGRADE A vulnerability was found in wanglongcn ltcms 1.0.20 and classified as critical

References

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