Oracle WebCenter Sites Centralized Thirdparty Jars prototype pollution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as very critical, has been found in Oracle WebCenter Sites (Content Management System). This issue affects an unknown part of the component Centralized Thirdparty Jars. Using CWE to declare the problem leads to CWE-1321. The software receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/19/2022 as Oracle Critical Patch Update Advisory - October 2022. The advisory is shared at The identification of this vulnerability is CVE-2021-23450. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/14/2022). MITRE ATT&CK project uses the attack technique T1059 for this issue.

We expect the 0-day to have been worth approximately $25k-$100k.

A possible mitigation has been published immediately after the disclosure of the vulnerability.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 7.5
CNA Vector (Snyk): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒


Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
ATT&CK: T1059

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒


01/08/2021 CVE reserved
10/19/2022 +648 days Advisory disclosed
10/19/2022 +0 days Countermeasure disclosed
10/19/2022 +0 days VulDB entry created
11/14/2022 +26 days VulDB last update



Advisory: Oracle Critical Patch Update Advisory - October 2022
Status: Confirmed

CVE: CVE-2021-23450 (🔒)


Created: 10/19/2022 08:30 AM
Updated: 11/14/2022 02:54 AM
Changes: 10/19/2022 08:30 AM (38), 11/14/2022 02:46 AM (2), 11/14/2022 02:54 AM (29)
Complete: 🔍


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