CVE-2023-33760: SpliceCom Maximiser Soft PBX v1.5 and before was discovered to utilize a default SSL certificate

Q: How do I fix CVE-2023-33760?

maximiser soft pbx: upgrade to newer than 1.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-33760 being exploited?

CVE-2023-33760 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-2023-33760 affect?

CVE-2023-33760 affects maximiser soft pbx. Severity is medium (CVSS 5.3). SpliceCom Maximiser Soft PBX v1.5 and before was discovered to utilize a default SSL certificate. This issue can allow attackers to eavesdrop on communications via a man-in-the-middle attack.

Q: How urgent is CVE-2023-33760?

Priority 29/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2023-33760 is a medium-severity flaw (CVSS 5.3) affecting maximiser soft pbx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SpliceCom Maximiser Soft PBX v1.5 and before was discovered to utilize a default SSL certificate. This issue can allow attackers to eavesdrop on communications via a man-in-the-middle attack.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-295
Published	2024-01-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: splicecom

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

Am I affected?

Timeline

2024-01-25 08:15 UTCPublished CVE record published
2026-06-17 06:02 UTCUpdated Record last modified

splicecom maximiser soft pbx UPGRADE

Affected: <= 1.5

Fixed in: newer than 1.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy maximiser-soft-pbx || rpm -q maximiser-soft-pbx || maximiser-soft-pbx --version

2. UPGRADE to newer than 1.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade maximiser-soft-pbx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade maximiser-soft-pbx

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-2023-33760?

maximiser soft pbx: upgrade to newer than 1.5. Exact commands for each OS are on this page.

Is CVE-2023-33760 being exploited?

CVE-2023-33760 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-2023-33760 affect?

CVE-2023-33760 affects maximiser soft pbx. Severity is medium (CVSS 5.3). SpliceCom Maximiser Soft PBX v1.5 and before was discovered to utilize a default SSL certificate. This issue can allow attackers to eavesdrop on communications via a man-in-the-middle attack.

How urgent is CVE-2023-33760?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2023-33759 CRITICAL 9.8 UPGRADE SpliceCom Maximiser Soft PBX v1.5 and before does not restrict excessive authentication attempts, allowing att
CVE-2023-33758 MEDIUM 6.1 UPGRADE Splicecom Maximiser Soft PBX v1.5 and before was discovered to contain a cross-site scripting (XSS) vulnerabil

References

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