VDB-184832 · CVE-2021-29505 · GCVE-0-2021-29505

Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0 XStream code injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0 and classified as critical. Affected is an unknown function of the component XStream. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-29505. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle WebCenter Sites 12.2.1.3.0/12.2.1.4.0 (Content Management System). It has been rated as critical. Affected by this issue is an unknown code of the component XStream. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2021-29505. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Content Management System

Vendor

Oracle

Name

WebCenter Sites

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

03/30/2021 🔍
10/19/2021 +203 days 🔍
10/19/2021 +0 days 🔍
10/20/2021 +1 days 🔍
05/23/2025 +1311 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2021
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29505 (🔍)
GCVE (CVE): GCVE-0-2021-29505
GCVE (VulDB): GCVE-100-184832

Entryinfo

Created: 10/20/2021 08:10
Updated: 05/23/2025 21:14
Changes: 10/20/2021 08:10 (39), 10/25/2021 09:00 (4), 10/25/2021 09:03 (30), 10/25/2021 09:06 (2), 05/23/2025 21:14 (15)
Complete: 🔍
Cache ID: 216::103