CVE-2023-48166: A directory traversal vulnerability in the SOAP Server integrated in Atos Unify OpenScape Voice V10 before V10

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-48166 is a high-severity flaw (CVSS 7.5) affecting openscape voice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A directory traversal vulnerability in the SOAP Server integrated in Atos Unify OpenScape Voice V10 before V10R3.26.1 allows a remote attacker to view the contents of arbitrary files in the local file system. An unauthenticated attacker might obtain sensitive files that allow for the compromise of the underlying system.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-22
Published	2024-01-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: unify

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

Am I affected?

Timeline

2024-01-12 23:15 UTCPublished CVE record published
2026-06-17 06:33 UTCUpdated Record last modified

unify openscape voice DOWNGRADE

Affected: 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

1. Check installed version

apt-cache policy openscape-voice || rpm -q openscape-voice || openscape-voice --version

2. No fixed release: DOWNGRADE to a release before 10.0 (Debian / Ubuntu)

apt-cache madison openscape-voice sudo apt install openscape-voice=<VERSION_BEFORE_10.0> sudo apt-mark hold openscape-voice

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

dnf --showduplicates list openscape-voice sudo dnf downgrade openscape-voice-<VERSION_BEFORE_10.0> sudo dnf versionlock add openscape-voice

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-2023-48166?

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

Is CVE-2023-48166 being exploited?

CVE-2023-48166 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-2023-48166 affect?

CVE-2023-48166 affects openscape voice. Severity is high (CVSS 7.5). A directory traversal vulnerability in the SOAP Server integrated in Atos Unify OpenScape Voice V10 before V10R3.26.1 allows a remote attacker to view the contents of arbitrary files in the local file system. An unauthenticated attacker mig

How urgent is CVE-2023-48166?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

References

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