Nextcloud Server 19.0.1 Passphrase signature verification

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 (≈)
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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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nextcloud Server 19.0.1. This affects an unknown part of the component Passphrase Handler. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2020-8133. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Nextcloud Server 19.0.1 (Cloud Software). This affects an unknown functionality of the component Passphrase Handler. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 11/09/2020. The advisory is shared at hackerone.com. This vulnerability is uniquely identified as CVE-2020-8133. The exploitability is told to be easy. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2020 🔍
11/09/2020 +286 days 🔍
11/09/2020 +0 days 🔍
12/04/2020 +25 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-8133 (🔍)
GCVE (CVE): GCVE-0-2020-8133
GCVE (VulDB): GCVE-100-164529

Entryinfo

Created: 11/09/2020 22:28
Updated: 12/04/2020 07:06
Changes: 11/09/2020 22:28 (36), 12/04/2020 07:00 (2), 12/04/2020 07:06 (20)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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