8.1
HIGH
CVE-2021-20179
Apache PKI Core Certificate Renewal Attack Vulnerability
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.

INFO

Published Date :

March 15, 2021, 1:15 p.m.

Last Modified :

Nov. 21, 2024, 5:46 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-20179 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 Redhat enterprise_linux
2 Redhat certificate_system
1 Fedoraproject fedora
1 Dogtagpki dogtagpki
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-20179.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1914379 Issue Tracking Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3474 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3475 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3476 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3477 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3478 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/
https://bugzilla.redhat.com/show_bug.cgi?id=1914379 Issue Tracking Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3474 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3475 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3476 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3477 Patch Third Party Advisory
https://github.com/dogtagpki/pki/pull/3478 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/

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-2021-20179 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-20179 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1914379
    Added Reference https://github.com/dogtagpki/pki/pull/3474
    Added Reference https://github.com/dogtagpki/pki/pull/3475
    Added Reference https://github.com/dogtagpki/pki/pull/3476
    Added Reference https://github.com/dogtagpki/pki/pull/3477
    Added Reference https://github.com/dogtagpki/pki/pull/3478
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/ [No types assigned]
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/ [No types assigned]
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/ [No types assigned]
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/
  • Modified Analysis by [email protected]

    Mar. 24, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 20, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DDOLFOLEIV7I4EUC3SCZBXL6E2ER7ZEN/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HRE44N6P24AEDKRMWK7RPRLMCUUBRJII/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 19, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/R3I7BRAHLE2WWSY76W3CKFCF5WSSAE24/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 18, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1914379 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1914379 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/dogtagpki/pki/pull/3474 No Types Assigned https://github.com/dogtagpki/pki/pull/3474 Patch, Third Party Advisory
    Changed Reference Type https://github.com/dogtagpki/pki/pull/3475 No Types Assigned https://github.com/dogtagpki/pki/pull/3475 Patch, Third Party Advisory
    Changed Reference Type https://github.com/dogtagpki/pki/pull/3476 No Types Assigned https://github.com/dogtagpki/pki/pull/3476 Patch, Third Party Advisory
    Changed Reference Type https://github.com/dogtagpki/pki/pull/3477 No Types Assigned https://github.com/dogtagpki/pki/pull/3477 Patch, Third Party Advisory
    Changed Reference Type https://github.com/dogtagpki/pki/pull/3478 No Types Assigned https://github.com/dogtagpki/pki/pull/3478 Patch, Third Party Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* versions up to (excluding) 10.5.0 *cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* versions from (including) 10.5.1 up to (excluding) 10.8.0 *cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* versions from (including) 10.8.1 up to (excluding) 10.9.0 *cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* versions from (including) 10.9.1 up to (excluding) 10.10.0 *cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:* versions from (including) 10.10.1 up to (excluding) 10.11.0
    Added CPE Configuration OR *cpe:2.3:a:redhat:certificate_system:10.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
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-2021-20179 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-2021-20179 weaknesses.

Exploit Prediction

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

0.15 }} -0.00%

score

0.51048

percentile

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