Synology Calendar up to 2.1.2 SYNO.Cal.Event cal_id/original_cal_id improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Synology Calendar up to 2.1.2. This impacts an unknown function of the component SYNO.Cal.Event. Such manipulation of the argument cal_id/original_cal_id as part of Parameter leads to improper authorization. This vulnerability is documented as CVE-2018-8927. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Synology Calendar up to 2.1.2 (Calendar Software). It has been rated as critical. Affected by this issue is an unknown function of the component SYNO.Cal.Event. The manipulation of the argument cal_id/original_cal_id as part of a Parameter 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. CVE summarizes:

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.

The bug was discovered 06/14/2018. The weakness was released 06/14/2018 (Website). The advisory is available at synology.com. This vulnerability is handled as CVE-2018-8927 since 03/22/2018. The attack may be launched remotely. The successful exploitation requires a simple authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 2.1.2-0511 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector (Synology Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: Upgrade
Status: 🔍
Upgrade: Calendar 2.1.2-0511

Timelineinfo

03/22/2018 🔍
06/14/2018 +83 days 🔍
06/14/2018 +0 days 🔍
06/14/2018 +0 days 🔍
06/14/2018 +0 days 🔍
03/27/2023 +1747 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_18_16
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8927 (🔍)
GCVE (CVE): GCVE-0-2018-8927
GCVE (VulDB): GCVE-100-119546

Entryinfo

Created: 06/14/2018 21:40
Updated: 03/27/2023 12:51
Changes: 06/14/2018 21:40 (60), 05/23/2020 16:43 (2), 03/27/2023 12:43 (4), 03/27/2023 12:51 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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