CVE-2023-31059: Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as

Q: How do I fix CVE-2023-31059?

repetier-server: upgrade to newer than 1.4.10. Exact commands for each OS are on this page.

Q: Is CVE-2023-31059 being exploited?

CVE-2023-31059 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-2023-31059 affect?

CVE-2023-31059 affects repetier-server. Severity is high (CVSS 7.5). Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.

Q: How urgent is CVE-2023-31059?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-31059 is a high-severity flaw (CVSS 7.5) affecting repetier-server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
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	5.6% (top 7%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-04-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: repetier-server

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

Am I affected?

Timeline

2023-04-24 03:15 UTCPublished CVE record published
2026-06-17 05:56 UTCUpdated Record last modified

repetier-server repetier-server UPGRADE

Affected: <= 1.4.10

Fixed in: newer than 1.4.10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy repetier-server || rpm -q repetier-server || repetier-server --version

2. UPGRADE to newer than 1.4.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade repetier-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade repetier-server

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Repetier Server - Directory Traversal

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-2023-31059?

repetier-server: upgrade to newer than 1.4.10. Exact commands for each OS are on this page.

Is CVE-2023-31059 being exploited?

CVE-2023-31059 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-2023-31059 affect?

CVE-2023-31059 affects repetier-server. Severity is high (CVSS 7.5). Repetier Server through 1.4.10 allows ..%5c directory traversal for reading files that contain credentials, as demonstrated by connectionLost.php.

How urgent is CVE-2023-31059?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-31061 HIGH 8.8 UPGRADE Repetier Server through 1.4.10 does not have CSRF protection.
CVE-2023-31060 CRITICAL 9.8 UPGRADE Repetier Server through 1.4.10 executes as SYSTEM

References

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