7.5

CVE-2021-43114: debian debian_linux

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-43114DEBIAN-CVE-2021-43114
Published 09-11-2021Last modified 15-10-2024

Vulnerability summary

CVE-2021-43114 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.14%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 09-11-2021
    PublishedVulnerability first disclosed.
  2. 15-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.14%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.01 pp

From 1.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian2 products
Fort_validator_project1 product
Ubuntu1 product
  • fort-validatorAll versions (No fix recorded)

3 vendors · 4 products

References

9 links