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

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5.5 $0-$5k 3.63+

A vulnerability was found in Apache Nutch up to 1.17. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a xml external entity vulnerability. The CWE definition for the vulnerability is CWE-611. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/25/2021. It is possible to read the advisory at issues.apache.org. This vulnerability is known as CVE-2021-23901. The attack can only be done within the local network. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/25/2021).

Upgrading to version 1.18 eliminates this vulnerability.

Vendor

Name

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: 🔍

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: 🔍
Class: XML External Entity
CWE: CWE-611
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nutch 1.18

01/25/2021 Advisory disclosed
01/25/2021 +0 days VulDB entry created
01/25/2021 +0 days VulDB last updateVendor: https://www.apache.org/

Advisory: issues.apache.org
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-23901 (🔒)

Created: 01/25/2021 01:40 PM
Changes: (38) software_vendor software_name software_version vulnerability_cwe vulnerability_risk vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a vulnerability_cvss3_vuldb_rl vulnerability_cvss3_vuldb_rc advisory_url advisory_confirm_url countermeasure_name countermeasure_upgrade_version source_cve advisory_date vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_rc vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_e vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_e vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
Complete: 🔍

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