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CVE

CVE-2023-33873

This privilege escalation vulnerability, if exploited, cloud allow a local OS-authenticated user with standard privilege

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.

HIGH · CVSS 7.8 EPSS 0.00135
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-250Execution with Unnecessary Privileges
▤

Affected Products & Versions

23
aveva batch management< 2020
aveva batch managementall versions
aveva communication drivers< 2020
aveva communication driversall versions
aveva edge<= 20.1.101
aveva enterprise licensing<= 3.7.002
aveva historian< 2020
aveva historianall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · ics-cert@hq.dhs.gov
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Nov 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-318-01
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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 AdvisoryUS Government Resource
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