ShinHer StudyOnline System Teacher Edit improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in ShinHer StudyOnline System. It has been classified as critical. Affected is an unknown function of the component Teacher Edit. The manipulation leads to improper authorization. This vulnerability is traded as CVE-2021-42330. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in ShinHer StudyOnline System (unknown version) and classified as critical. This issue affects an unknown code block of the component Teacher Edit. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/15/2021. The advisory is shared at twcert.org.tw. The identification of this vulnerability is CVE-2021-42330 since 10/12/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (TWCERT/CC): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/12/2021 🔍
10/15/2021 +3 days 🔍
10/15/2021 +0 days 🔍
10/20/2021 +5 days 🔍

Sourcesinfo

Advisory: twcert.org.tw
Status: Not defined

CVE: CVE-2021-42330 (🔍)
GCVE (CVE): GCVE-0-2021-42330
GCVE (VulDB): GCVE-100-184469

Entryinfo

Created: 10/15/2021 18:48
Updated: 10/20/2021 20:54
Changes: 10/15/2021 18:48 (46), 10/20/2021 20:47 (1), 10/20/2021 20:54 (1)
Complete: 🔍
Cache ID: 216::103

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