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CVE-2023-2847: During internal security analysis, a local privilege escalation vulnerability has been identified

28
Routine
HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2023-2847 is a high-severity flaw (CVSS 7.8) affecting cyber security, endpoint antivirus, endpoint antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

During internal security analysis, a local privilege escalation vulnerability has been identified. On a machine with the affected ESET product installed, it was possible for a user with lower privileges due to improper privilege management to trigger actions with root privileges. ESET remedied this possible attack vector and has prepared new builds of its products that are no longer susceptible to this vulnerability.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityHigh
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 96%)
CISA exploited listNo
WeaknessCWE-269
Published2023-06-15
Last modified2026-06-17
Publisher (CNA): ESET · Vendor: eset

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

Am I affected?

Timeline

eset cyber security UPGRADE
Affected: >= 7.3.0 and < 7.3.3700.0
Fixed in: 7.3.3700.0
Safe to downgrade to: a release before 7.3.0
1. Check installed version
apt-cache policy cyber-security || rpm -q cyber-security || cyber-security --version
2. UPGRADE to 7.3.3700.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade cyber-security
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade cyber-security
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 7.3.0 (Debian / Ubuntu)
apt-cache madison cyber-security sudo apt install cyber-security=<VERSION_BEFORE_7.3.0> sudo apt-mark hold cyber-security
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list cyber-security sudo dnf downgrade cyber-security-<VERSION_BEFORE_7.3.0> sudo dnf versionlock add cyber-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.
eset endpoint antivirus UPGRADE
Affected: < 8.1.12.0 · >= 9.0.5.0 and < 9.0.10.0 · >= 9.1.4.0 and < 9.1.11.0
Fixed in: 8.1.12.0, 9.0.10.0, 9.1.11.0
Safe to downgrade to: a release before 9.0.5.0
1. Check installed version
apt-cache policy endpoint-antivirus || rpm -q endpoint-antivirus || endpoint-antivirus --version
2. UPGRADE to 8.1.12.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade endpoint-antivirus
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade endpoint-antivirus
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 9.0.5.0 (Debian / Ubuntu)
apt-cache madison endpoint-antivirus sudo apt install endpoint-antivirus=<VERSION_BEFORE_9.0.5.0> sudo apt-mark hold endpoint-antivirus
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list endpoint-antivirus sudo dnf downgrade endpoint-antivirus-<VERSION_BEFORE_9.0.5.0> sudo dnf versionlock add endpoint-antivirus
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.
eset endpoint antivirus UPGRADE
Affected: >= 7.0.0 and < 7.3.3600.0
Fixed in: 7.3.3600.0
Safe to downgrade to: a release before 7.0.0
1. Check installed version
apt-cache policy endpoint-antivirus || rpm -q endpoint-antivirus || endpoint-antivirus --version
2. UPGRADE to 7.3.3600.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade endpoint-antivirus
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade endpoint-antivirus
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 7.0.0 (Debian / Ubuntu)
apt-cache madison endpoint-antivirus sudo apt install endpoint-antivirus=<VERSION_BEFORE_7.0.0> sudo apt-mark hold endpoint-antivirus
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list endpoint-antivirus sudo dnf downgrade endpoint-antivirus-<VERSION_BEFORE_7.0.0> sudo dnf versionlock add endpoint-antivirus
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.
eset server security UPGRADE
Affected: < 8.1.823.0 · >= 9.0.464.0 and < 9.0.466.0 · >= 9.1.96.0 and < 9.1.98.0
Fixed in: 8.1.823.0, 9.0.466.0, 9.1.98.0
Safe to downgrade to: a release before 9.0.464.0
1. Check installed version
apt-cache policy server-security || rpm -q server-security || server-security --version
2. UPGRADE to 8.1.823.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade server-security
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade server-security
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 9.0.464.0 (Debian / Ubuntu)
apt-cache madison server-security sudo apt install server-security=<VERSION_BEFORE_9.0.464.0> sudo apt-mark hold server-security
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list server-security sudo dnf downgrade server-security-<VERSION_BEFORE_9.0.464.0> 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-2023-2847?

cyber security: upgrade to 7.3.3700.0; endpoint antivirus: upgrade to 8.1.12.0, 9.0.10.0, 9.1.11.0; endpoint antivirus: upgrade to 7.3.3600.0. Exact commands for each OS are on this page.

Is CVE-2023-2847 being exploited?

CVE-2023-2847 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-2023-2847 affect?

CVE-2023-2847 affects cyber security, endpoint antivirus, endpoint antivirus. Severity is high (CVSS 7.8). During internal security analysis, a local privilege escalation vulnerability has been identified. On a machine with the affected ESET product installed, it was possible for a user with lower privileges due to improper privilege management

How urgent is CVE-2023-2847?

Priority 28/100. High severity

Software pages

ESET vulnerabilities

Related CVEs

References

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