Vulnerability CVE-2021-33008

Vulnerability Name:

CVE-2021-33008 (CCN-204675)

Assigned:

2021-06-29

Published:

2021-06-29

Updated:

2022-04-13

Summary:

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

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

8.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Adjacent Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

7.7 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-306

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-33008

Source: XF
Type: UNKNOWN
aveva-cve202133008-sec-bypass(204675)

Source: CCN
Type: ICSA-21-180-05
AVEVA System Platform

Source: CCN
Type: AVEVA-2021-002
System Platform - Vulnerabilities in AutoBuild Chaining to Arbitrary Code Execution or Denial of Service

Source: CONFIRM
Type: Vendor Advisory
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf

Source: CONFIRM
Type: Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05

Vulnerable Configuration:

Configuration 1:

cpe:/a:aveva:system_platform:*:*:*:*:*:*:*:* (Version >= 2017 and < 2020)

OR cpe:/a:aveva:system_platform:2020:-:*:*:*:*:*:*

OR cpe:/a:aveva:system_platform:2020:r2:*:*:*:*:*:*

OR cpe:/a:aveva:system_platform:2020:r2_p01:*:*:*:*:*:*

Denotes that component is vulnerable

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