CVE-2021-20179

pki-core: Unprivileged users can renew any certificate

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se encontró un fallo en pki-core. Un atacante que haya comprometido con éxito una clave podría usar este fallo para renovar el certificado correspondiente una y otra vez, siempre que no se revoque explícitamente. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos

The Public Key Infrastructure Core contains fundamental packages required by Red Hat Certificate System. Issues addressed include a cross site scripting vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-03-15 CVE Published
2024-08-03 CVE Updated
2025-05-11 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization

CAPEC

References (10)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1914379	2021-04-20
https://github.com/dogtagpki/pki/pull/3474	2023-11-07
https://github.com/dogtagpki/pki/pull/3475	2023-11-07
https://github.com/dogtagpki/pki/pull/3476	2023-11-07
https://github.com/dogtagpki/pki/pull/3477	2023-11-07
https://github.com/dogtagpki/pki/pull/3478	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-20179	2021-04-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dogtagpki Search vendor "Dogtagpki"		Dogtagpki Search vendor "Dogtagpki" for product "Dogtagpki"				< 10.5.0 Search vendor "Dogtagpki" for product "Dogtagpki" and version " < 10.5.0"		-		Affected
Dogtagpki Search vendor "Dogtagpki"		Dogtagpki Search vendor "Dogtagpki" for product "Dogtagpki"				>= 10.5.1 < 10.8.0 Search vendor "Dogtagpki" for product "Dogtagpki" and version " >= 10.5.1 < 10.8.0"		-		Affected
Dogtagpki Search vendor "Dogtagpki"		Dogtagpki Search vendor "Dogtagpki" for product "Dogtagpki"				>= 10.8.1 < 10.9.0 Search vendor "Dogtagpki" for product "Dogtagpki" and version " >= 10.8.1 < 10.9.0"		-		Affected
Dogtagpki Search vendor "Dogtagpki"		Dogtagpki Search vendor "Dogtagpki" for product "Dogtagpki"				>= 10.9.1 < 10.10.0 Search vendor "Dogtagpki" for product "Dogtagpki" and version " >= 10.9.1 < 10.10.0"		-		Affected
Dogtagpki Search vendor "Dogtagpki"		Dogtagpki Search vendor "Dogtagpki" for product "Dogtagpki"				>= 10.10.1 < 10.11.0 Search vendor "Dogtagpki" for product "Dogtagpki" and version " >= 10.10.1 < 10.11.0"		-		Affected
Redhat Search vendor "Redhat"		Certificate System Search vendor "Redhat" for product "Certificate System"				10.0 Search vendor "Redhat" for product "Certificate System" and version "10.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected