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.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
1.14%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 09-11-2021PublishedVulnerability first disclosed.
- 15-10-2024Last 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 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
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 score1.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian2 products
- fort-validator< 1.5.2-1
- debian_linuxEOL11.0
Fort_validator_project1 product
- fort_validator< 1.5.2
Ubuntu1 product
- fort-validatorAll versions (No fix recorded)
3 vendors · 4 products