VDB-177655 · CVE-2021-20745 · GCVE-0-2021-20745

Inkdrop up to 5.3.0 Snippet os command 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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Inkdrop up to 5.3.0. Impacted is an unknown function of the component Snippet Handler. This manipulation causes os command injection. This vulnerability is registered as CVE-2021-20745. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Inkdrop up to 5.3.0 and classified as critical. Affected by this vulnerability is some unknown functionality of the component Snippet Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 06/28/2021. It is possible to read the advisory at jvn.jp. This vulnerability is known as CVE-2021-20745. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 5.3.1 eliminates this vulnerability. The upgrade is hosted for download at docs.inkdrop.app.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Inkdrop

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Inkdrop 5.3.1

Timelineinfo

12/17/2020 🔍
06/28/2021 +192 days 🔍
06/28/2021 +0 days 🔍
07/03/2021 +5 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2021-20745 (🔍)
GCVE (CVE): GCVE-0-2021-20745
GCVE (VulDB): GCVE-100-177655

Entryinfo

Created: 06/28/2021 08:04
Updated: 07/03/2021 03:21
Changes: 06/28/2021 08:04 (38), 07/03/2021 03:21 (5)
Complete: 🔍
Cache ID: 216::103