CVE-2023-48378: Softnext Mail SQR Expert has a path traversal vulnerability within its parameter in a specific URL

Q: How do I fix CVE-2023-48378?

mail sqr expert: upgrade to newer than 230330. Exact commands for each OS are on this page.

Q: Is CVE-2023-48378 being exploited?

CVE-2023-48378 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-2023-48378 affect?

CVE-2023-48378 affects mail sqr expert. Severity is high (CVSS 7.5). Softnext Mail SQR Expert has a path traversal vulnerability within its parameter in a specific URL. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication and download arbitrary system files.

Q: How urgent is CVE-2023-48378?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-48378 is a high-severity flaw (CVSS 7.5) affecting mail sqr expert. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Softnext Mail SQR Expert has a path traversal vulnerability within its parameter in a specific URL. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication and download arbitrary system files.

Why this priority

High severity
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	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-12-15
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: softnext

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

Am I affected?

Timeline

2023-12-15 08:15 UTCPublished CVE record published
2026-06-17 06:34 UTCUpdated Record last modified

softnext mail sqr expert UPGRADE

Affected: <= 230330

Fixed in: newer than 230330

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mail-sqr-expert || rpm -q mail-sqr-expert || mail-sqr-expert --version

2. UPGRADE to newer than 230330 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mail-sqr-expert

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mail-sqr-expert

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-2023-48378?

mail sqr expert: upgrade to newer than 230330. Exact commands for each OS are on this page.

Is CVE-2023-48378 being exploited?

CVE-2023-48378 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-2023-48378 affect?

CVE-2023-48378 affects mail sqr expert. Severity is high (CVSS 7.5). Softnext Mail SQR Expert has a path traversal vulnerability within its parameter in a specific URL. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication and download arbitrary system files.

How urgent is CVE-2023-48378?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-48382 MEDIUM 6.5 UPGRADE Softnext Mail SQR Expert is an email management platform, it has a Local File Inclusion (LFI) vulnerability in
CVE-2023-48381 MEDIUM 6.5 UPGRADE Softnext Mail SQR Expert is an email management platform, it has a Local File Inclusion (LFI) vulnerability in
CVE-2023-48380 HIGH 7.4 UPGRADE Softnext Mail SQR Expert is an email management platform, it has insufficient filtering for a special characte
CVE-2023-48379 MEDIUM 5.3 UPGRADE Softnext Mail SQR Expert is an email management platform, it has inadequate filtering for a specific URL param

References

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