9.8
CRITICAL
CVE-2021-33008
AVEVA System Platform Authentication Bypass
Description

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

INFO

Published Date :

April 4, 2022, 8:15 p.m.

Last Modified :

April 13, 2022, 1:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-33008 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Aveva system_platform
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-33008.

URL Resource
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05 Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-33008 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33008 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf No Types Assigned https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf Vendor Advisory
    Changed Reference Type https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05 No Types Assigned https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-306
    Added CPE Configuration OR *cpe:2.3:a:aveva:system_platform:*:*:*:*:*:*:*:* versions from (including) 2017 up to (excluding) 2020 *cpe:2.3:a:aveva:system_platform:2020:-:*:*:*:*:*:* *cpe:2.3:a:aveva:system_platform:2020:r2:*:*:*:*:*:* *cpe:2.3:a:aveva:system_platform:2020:r2_p01:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-33008 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.21 }} 0.01%

score

0.59020

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability