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CVE-2023-47172: Certain WithSecure products allow Local Privilege Escalation

30
Routine
HIGH 7.8DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2023-47172 is a high-severity flaw (CVSS 7.8) affecting client security, elements endpoint protection, email and server security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Certain WithSecure products allow Local Privilege Escalation. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, and WithSecure Elements Endpoint Protection 17 and later.

Why this priority

  • High severity

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

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 88%)
CISA exploited listNo
Published2023-11-20
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: withsecure

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

withsecure client security DOWNGRADE
Affected: >= 15
Fixed in: no fixed release known
Safe to downgrade to: a release before 15
1. Check installed version
apt-cache policy client-security || rpm -q client-security || client-security --version
2. No fixed release: DOWNGRADE to a release before 15 (Debian / Ubuntu)
apt-cache madison client-security sudo apt install client-security=<VERSION_BEFORE_15> sudo apt-mark hold client-security
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list client-security sudo dnf downgrade client-security-<VERSION_BEFORE_15> sudo dnf versionlock add client-security
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.
withsecure elements endpoint protection DOWNGRADE
Affected: >= 17
Fixed in: no fixed release known
Safe to downgrade to: a release before 17
1. Check installed version
apt-cache policy elements-endpoint-protection || rpm -q elements-endpoint-protection || elements-endpoint-protection --version
2. No fixed release: DOWNGRADE to a release before 17 (Debian / Ubuntu)
apt-cache madison elements-endpoint-protection sudo apt install elements-endpoint-protection=<VERSION_BEFORE_17> sudo apt-mark hold elements-endpoint-protection
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list elements-endpoint-protection sudo dnf downgrade elements-endpoint-protection-<VERSION_BEFORE_17> sudo dnf versionlock add elements-endpoint-protection
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.
withsecure email and server security DOWNGRADE
Affected: >= 15
Fixed in: no fixed release known
Safe to downgrade to: a release before 15
1. Check installed version
apt-cache policy email-and-server-security || rpm -q email-and-server-security || email-and-server-security --version
2. No fixed release: DOWNGRADE to a release before 15 (Debian / Ubuntu)
apt-cache madison email-and-server-security sudo apt install email-and-server-security=<VERSION_BEFORE_15> sudo apt-mark hold email-and-server-security
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list email-and-server-security sudo dnf downgrade email-and-server-security-<VERSION_BEFORE_15> sudo dnf versionlock add email-and-server-security
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.
withsecure server security DOWNGRADE
Affected: >= 15
Fixed in: no fixed release known
Safe to downgrade to: a release before 15
1. Check installed version
apt-cache policy server-security || rpm -q server-security || server-security --version
2. No fixed release: DOWNGRADE to a release before 15 (Debian / Ubuntu)
apt-cache madison server-security sudo apt install server-security=<VERSION_BEFORE_15> sudo apt-mark hold server-security
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list server-security sudo dnf downgrade server-security-<VERSION_BEFORE_15> sudo dnf versionlock add server-security
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-2023-47172?

client security: downgrade or apply the listed mitigation; elements endpoint protection: downgrade or apply the listed mitigation; email and server security: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-47172 being exploited?

CVE-2023-47172 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-2023-47172 affect?

CVE-2023-47172 affects client security, elements endpoint protection, email and server security. Severity is high (CVSS 7.8). Certain WithSecure products allow Local Privilege Escalation. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, and WithSecure Elements Endpoint Protection 17 and later.

How urgent is CVE-2023-47172?

Priority 30/100. High severity

Related CVEs

References

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