Cloudflare OctoRPKI Repository denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cloudflare OctoRPKI. This affects an unknown part of the component Repository Handler. Performing a manipulation results in denial of service. This vulnerability was named CVE-2021-3910. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cloudflare OctoRPKI (Cloud Software) (affected version not known). This affects some unknown functionality of the component Repository Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 11/12/2021 as GHSA-5mxh-2qfv-4g7j. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-3910 since 10/26/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

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Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 2.2
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (Cloudflare, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

10/26/2021 🔍
11/12/2021 +17 days 🔍
11/12/2021 +0 days 🔍
04/15/2026 +1615 days 🔍

Sourcesinfo

Advisory: GHSA-5mxh-2qfv-4g7j
Status: Confirmed

CVE: CVE-2021-3910 (🔍)
GCVE (CVE): GCVE-0-2021-3910
GCVE (VulDB): GCVE-100-186573

Entryinfo

Created: 11/12/2021 08:28
Updated: 04/15/2026 17:37
Changes: 11/12/2021 08:28 (48), 11/16/2021 09:53 (1), 04/15/2026 17:37 (33)
Complete: 🔍
Cache ID: 216::103

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