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CVE-2021-20179

HIGH
8.1
CVSS Score
Published: March 15, 2021 at 12:01 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
4 products affected across 3 vendorsFedoraEnterprise LinuxCertificate System

Using pki-core by N/A?

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Severity
HIGH8.1
Exploit prediction
EPSS 1%

Description

A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dogtagpki· Dogtagpki
95%
v < 10.5.010.10.1 ≤ v < 10.11.010.5.1 ≤ v < 10.8.010.8.1 ≤ v < 10.9.010.9.1 ≤ v < 10.10.0pki-core 10.5, pki-core 10.8, pki-core 10.9, pki-core 10.10, pki-core 10.11
Affected range stops below 10.10.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.11.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.5.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.8.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.9.0, so it looks safe — our inference, not a vendor statement
Fedora· Fedora Projectrpm
95%
323334
Certificate System· Red Hatrpm
95%
10.0
Enterprise Linux· Red Hatrpm
95%
7.08.0

References (9)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1914379
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/pki/pull/3474
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/pki/pull/3475
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/pki/pull/3476
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/pki/pull/3477
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/pki/pull/3478
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/

CVSS

8.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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