VDB-179881 · CVE-2021-32811 · GCVE-0-2021-32811

Zope Web Application Server up to 4.6.2/5.2 Python 3 Products.PythonScripts dynamically-determined object attributes

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Zope Web Application Server up to 4.6.2/5.2. This impacts an unknown function of the file Products.PythonScripts of the component Python 3 Handler. This manipulation causes dynamically-determined object attributes. This vulnerability is handled as CVE-2021-32811. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Zope Web Application Server up to 4.6.2/5.2 (Application Server Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file Products.PythonScripts of the component Python 3 Handler. The manipulation with an unknown input leads to a dynamically-determined object attributes vulnerability. The CWE definition for the vulnerability is CWE-915. The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 08/03/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-32811. Technical details are known, but no exploit is available.

Upgrading to version 4.6.3 or 5.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Application Server Software

Vendor

Zope

Name

Web Application Server

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Dynamically-determined object attributes
CWE: CWE-915 / CWE-913
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: 🔍

0-Day Time: 🔍

Upgrade: Web Application Server 4.6.3/5.3
Patch: github.com

Timelineinfo

05/12/2021 🔍
08/03/2021 +83 days 🔍
08/03/2021 +0 days 🔍
08/06/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32811 (🔍)
GCVE (CVE): GCVE-0-2021-32811
GCVE (VulDB): GCVE-100-179881

Entryinfo

Created: 08/03/2021 08:05
Updated: 08/06/2021 14:41
Changes: 08/03/2021 08:05 (41), 08/06/2021 14:39 (3), 08/06/2021 14:41 (1)
Complete: 🔍
Cache ID: 216::103