Cloudflare OctoRPKI Repository denial of service

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
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3.1$0-$5k0.00

A vulnerability has been found in Cloudflare OctoRPKI (Cloud Software) (the affected version unknown) and classified as problematic. This vulnerability affects an unknown part of the component Repository Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 11/12/2021 as GHSA-w6ww-fmfx-2x22. The advisory is available at github.com. This vulnerability was named CVE-2021-3911 since 10/26/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 2.0
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.2
CNA Vector (Cloudflare, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

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

10/26/2021 🔍
11/12/2021 +17 days 🔍
11/12/2021 +0 days 🔍
11/16/2021 +4 days 🔍

Sourcesinfo

Advisory: GHSA-w6ww-fmfx-2x22
Status: Confirmed

CVE: CVE-2021-3911 (🔍)

Entryinfo

Created: 11/12/2021 08:29
Updated: 11/16/2021 09:55
Changes: 11/12/2021 08:29 (48), 11/16/2021 09:55 (1)
Complete: 🔍

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