VDB-150043 · CVE-2020-8894 · GCVE-0-2020-8894

MISP up to 2.4.120 ACL ThreadsController.php

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MISP up to 2.4.120. It has been classified as critical. This vulnerability affects unknown code of the file app/Controller/ThreadsController.php of the component ACL Handler. This manipulation causes an unknown weakness. This vulnerability appears as CVE-2020-8894. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in MISP up to 2.4.120 and classified as critical. Affected by this vulnerability is an unknown code block of the file app/Controller/ThreadsController.php of the component ACL Handler. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.

The weakness was presented 02/12/2020. This vulnerability is known as CVE-2020-8894 since 02/11/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:app/Controller/ThreadsController.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.4.121 eliminates this vulnerability.

See VDB-150042, VDB-150041, VDB-150040 and VDB-150039 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

MISP

Version

2.4.120

License

open-source

Website

Product: https://github.com/MISP/MISP/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: MISP 2.4.121
Patch: github.com

Timelineinfo

02/11/2020 🔍
02/12/2020 +1 days 🔍
02/12/2020 +0 days 🔍
03/30/2024 +1508 days 🔍

Sourcesinfo

Product: github.com

Advisory: 9400b8bc8699435d84508e598aca98a31affd77c
Status: Not defined

CVE: CVE-2020-8894 (🔍)
GCVE (CVE): GCVE-0-2020-8894
GCVE (VulDB): GCVE-100-150043
See also: 🔍

Entryinfo

Created: 02/12/2020 08:15
Updated: 03/30/2024 14:40
Changes: 02/12/2020 08:15 (37), 02/12/2020 08:20 (16), 03/30/2024 14:39 (19), 03/30/2024 14:40 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.