VDB-186646 · CVE-2021-3776 · GCVE-0-2021-3776

ShowDoc cross-site request forgery

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in ShowDoc. This impacts an unknown function. Executing a manipulation can lead to cross-site request forgery. This vulnerability is handled as CVE-2021-3776. The attack can be executed remotely. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in ShowDoc (unknown version) and classified as problematic. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity.

The weakness was released 11/13/2021. The advisory is available at huntr.dev. This vulnerability was named CVE-2021-3776 since 09/06/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Applying the patch 67093c879a6563aa6ee08003177777d1975e2351 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

ShowDoc

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 67093c879a6563aa6ee08003177777d1975e2351

Timelineinfo

09/06/2021 🔍
11/13/2021 +68 days 🔍
11/13/2021 +0 days 🔍
11/16/2021 +3 days 🔍

Sourcesinfo

Advisory: 67093c879a6563aa6ee08003177777d1975e2351
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3776 (🔍)
GCVE (CVE): GCVE-0-2021-3776
GCVE (VulDB): GCVE-100-186646

Entryinfo

Created: 11/13/2021 20:33
Updated: 11/16/2021 16:47
Changes: 11/13/2021 20:33 (47), 11/16/2021 16:47 (3)
Complete: 🔍
Cache ID: 216::103