CVE-2021-33008

AVEVA System Platform Missing Authentication for Critical Function

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

AVEVA System Platform versions 2017 through 2020 R2 P01 does not perform any authentication for functionality that requires a provable user identity.

AVEVA System Platform versiones 2017 hasta 2020 R2 P01, no llevan a cabo ninguna autenticación para la funcionalidad que requiere una identidad de usuario demostrable

*Credits: Sharon Brizinov of Claroty reported these vulnerabilities to AVEVA.

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-13 CVE Reserved
2022-04-04 CVE Published
2023-10-26 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (2)

URL	Tag	Source
https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf	2022-04-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Aveva Search vendor "Aveva"		System Platform Search vendor "Aveva" for product "System Platform"				>= 2017 < 2020 Search vendor "Aveva" for product "System Platform" and version " >= 2017 < 2020"		-		Affected
Aveva Search vendor "Aveva"		System Platform Search vendor "Aveva" for product "System Platform"				2020 Search vendor "Aveva" for product "System Platform" and version "2020"		-		Affected
Aveva Search vendor "Aveva"		System Platform Search vendor "Aveva" for product "System Platform"				2020 Search vendor "Aveva" for product "System Platform" and version "2020"		r2		Affected
Aveva Search vendor "Aveva"		System Platform Search vendor "Aveva" for product "System Platform"				2020 Search vendor "Aveva" for product "System Platform" and version "2020"		r2_p01		Affected