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CVE-2023-33873: This privilege escalation vulnerability, if exploited, cloud allow a local OS-authenticated user with standar

31
Routine
HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2023-33873 is a high-severity flaw (CVSS 7.8) affecting batch management, communication drivers, edge. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This privilege escalation vulnerability, if exploited, cloud allow a local OS-authenticated user with standard privileges to escalate to System privilege on the machine where these products are installed, resulting in complete compromise of the target machine.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 85%)
CISA exploited listNo
WeaknessCWE-250
Published2023-11-15
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: aveva

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

aveva batch management UPGRADE
Affected: < 2020 · 2020 · 2020 sp1
Fixed in: 2020
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy batch-management || rpm -q batch-management || batch-management --version
2. UPGRADE to 2020 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade batch-management
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade batch-management
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
aveva communication drivers UPGRADE
Affected: < 2020 · 2020 · 2020 r2 · 2020 r2_p01
Fixed in: 2020
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy communication-drivers || rpm -q communication-drivers || communication-drivers --version
2. UPGRADE to 2020 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade communication-drivers
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade communication-drivers
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
aveva edge UPGRADE
Affected: <= 20.1.101
Fixed in: newer than 20.1.101
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy edge || rpm -q edge || edge --version
2. UPGRADE to newer than 20.1.101 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade edge
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade edge
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
aveva enterprise licensing UPGRADE
Affected: <= 3.7.002
Fixed in: newer than 3.7.002
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy enterprise-licensing || rpm -q enterprise-licensing || enterprise-licensing --version
2. UPGRADE to newer than 3.7.002 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade enterprise-licensing
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade enterprise-licensing
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
aveva historian UPGRADE
Affected: < 2020 · 2020 · 2020 r2 · 2020 r2_p01
Fixed in: 2020
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy historian || rpm -q historian || historian --version
2. UPGRADE to 2020 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade historian
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade historian
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
aveva intouch UPGRADE
Affected: < 2020 · 2020 · 2020 r2 · 2020 r2_p01
Fixed in: 2020
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy intouch || rpm -q intouch || intouch --version
2. UPGRADE to 2020 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade intouch
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade intouch
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-2023-33873?

batch management: upgrade to 2020; communication drivers: upgrade to 2020; edge: upgrade to newer than 20.1.101. Exact commands for each OS are on this page.

Is CVE-2023-33873 being exploited?

CVE-2023-33873 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-2023-33873 affect?

CVE-2023-33873 affects batch management, communication drivers, edge. Severity is high (CVSS 7.8). This privilege escalation vulnerability, if exploited, cloud allow a local OS-authenticated user with standard privileges to escalate to System privilege on the machine where these products are installed, resulting in complete compromise o

How urgent is CVE-2023-33873?

Priority 31/100. High severity

Related CVEs

References

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