CVE-2018-1000535: lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading functionality in LMS

Q: How do I fix CVE-2018-1000535?

lms: upgrade to newer than 011123. Exact commands for each OS are on this page.

Q: Is CVE-2018-1000535 being exploited?

CVE-2018-1000535 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-1000535 affect?

CVE-2018-1000535 affects lms. Severity is high (CVSS 7.5). lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading functionality in LMS module that can result in Possible to read files on the server. This attack appear to be exploitable via GET parameter. This vulne

Q: How urgent is CVE-2018-1000535?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2018-1000535 is a high-severity flaw (CVSS 7.5) affecting lms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading functionality in LMS module that can result in Possible to read files on the server. This attack appear to be exploitable via GET parameter. This vulnerability appears to have been fixed in after commit 254765e.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-200
Published	2018-06-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lms

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

Am I affected?

Timeline

2018-06-26 16:29 UTCPublished CVE record published
2026-06-17 01:32 UTCUpdated Record last modified

lms lms UPGRADE

Affected: <= 011123

Fixed in: newer than 011123

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 011123 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-1000535?

lms: upgrade to newer than 011123. Exact commands for each OS are on this page.

Is CVE-2018-1000535 being exploited?

CVE-2018-1000535 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-2018-1000535 affect?

CVE-2018-1000535 affects lms. Severity is high (CVSS 7.5). lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading functionality in LMS module that can result in Possible to read files on the server. This attack appear to be exploitable via GET parameter. This vulne

How urgent is CVE-2018-1000535?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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