showdoc redirect

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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in showdoc. This affects an unknown function. Performing a manipulation results in redirect. This vulnerability was named CVE-2021-4000. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in showdoc (affected version unknown). It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/03/2021. It is possible to read the advisory at huntr.dev. This vulnerability is uniquely identified as CVE-2021-4000 since 11/22/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

Applying the patch c7f10033eba5f2b5a537f9af9ba2379138e67138 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

Exploitinginfo

Class: Redirect
CWE: CWE-601
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c7f10033eba5f2b5a537f9af9ba2379138e67138

Timelineinfo

11/22/2021 🔍
12/03/2021 +11 days 🔍
12/03/2021 +0 days 🔍
12/09/2021 +6 days 🔍

Sourcesinfo

Advisory: c7f10033eba5f2b5a537f9af9ba2379138e67138
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4000 (🔍)
GCVE (CVE): GCVE-0-2021-4000
GCVE (VulDB): GCVE-100-187503

Entryinfo

Created: 12/03/2021 14:31
Updated: 12/09/2021 01:58
Changes: 12/03/2021 14:31 (46), 12/09/2021 01:58 (3)
Complete: 🔍
Cache ID: 216::103

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