7.5
HIGH
CVE-2021-43114
FORT Validator Denial of Service
Description

FORT Validator versions prior to 1.5.2 will crash if an RPKI CA publishes an X.509 EE certificate. This will lead to RTR clients such as BGP routers to lose access to the RPKI VRP data set, effectively disabling Route Origin Validation.

INFO

Published Date :

Nov. 9, 2021, 1:15 p.m.

Last Modified :

Dec. 7, 2023, 10:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-43114 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Fort_validator_project fort_validator

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-43114 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-43114 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/425e0f4037b4543fe8044ac96ca71d6d02d7d8c5 [No types assigned]
    Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/673c679b6bf3f4187cd5242c31a795bf8a6c22b3 [No types assigned]
    Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/eb68ebbaab50f3365aa51bbaa17cb862bf4607fa [No types assigned]
    Added Reference MITRE https://github.com/NICMx/FORT-validator/commit/274dc14aed1eb9b3350029d1063578a6b9c77b54 [No types assigned]
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-295 NVD-CWE-Other
  • Modified Analysis by [email protected]

    Mar. 31, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.debian.org/security/2021/dsa-5033 No Types Assigned https://www.debian.org/security/2021/dsa-5033 Third Party Advisory
    Removed CWE NIST CWE-400
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 31, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-5033 [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/NICMx/FORT-validator/releases/tag/1.5.2 No Types Assigned https://github.com/NICMx/FORT-validator/releases/tag/1.5.2 Patch, Release Notes, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:fort_validator_project:fort_validator:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-43114 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-43114 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.56 }} 0.16%

score

0.77850

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability