HOMEVULNERABILITIESCVE-2023-33873
HIGH

CVE-2023-33873

CWE-250Published: November 15, 2023· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-33873 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

aveva13 product(s)
batch managementcommunication driversedgeenterprise licensinghistorianintouchmanufacturing execution systemmobile operatorplant scadarecipe managementsystem platformtelemetry server+1
Source: NVD CPE · 23 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.aveva.com/en/support-and-success/cyber-security-updates/
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-318-01
ADVISORYhttps://www.aveva.com/en/support-and-success/cyber-security-updates/
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-318-01

All References (4)

→
https://www.aveva.com/en/support-and-success/cyber-security-updates/Vendor Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-318-01Third Party Advisory · US Government Resource
→
https://www.aveva.com/en/support-and-success/cyber-security-updates/Vendor Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-318-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2023-33873
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-250
CISA KEVNo
Affected1 vendor(s)
PublishedNov 15, 2023

Related CVEs (CWE-250)

CVE-2026-4606
10.0
CVE-2024-3330
9.9
CVE-2025-32445
9.9
CVE-2026-50566
9.9
CVE-2026-48584
9.9
CVE-2026-25212
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-33873 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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