Red Hat Enterprise Linux pki-core: Mehrere Schwachstellen
WID-SEC-2024-3648 · first 16.03.2021 · updated 09.04.2026 · CVSS 8,1
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer oder authentifizierter Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder Sicherheitsmaßnahmen zu umgehen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Cross-Site Scripting Angriff durchzuführen oder Sicherheitsmaßnahmen zu umgehen
Am I affected?
Affected according to the BSI:
- Open Source CentOS
- Amazon Linux 2
- Ubuntu Linux
- Oracle Linux
- Red Hat Enterprise Linux <7.6 Extended Update Support
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat Enterprise Linux 7.6 Extended Update Support
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Red Hat Security Advisories vom 2021-03-15 access.redhat.com
- Red Hat Security Advisory RHSA-2021:0851 vom 2021-03-16 access.redhat.com
- Oracle Linux Security Advisory ELSA-2021-0851 vom 2021-03-18 linux.oracle.com
- CentOS Security Advisory CESA-2021:0851 vom 2021-03-19 centos-announce.2309468.n4.nabble.com
- Red Hat Security Advisory RHSA-2021:0966 vom 2021-03-23 access.redhat.com
- Red Hat Security Advisory RHSA-2021:0975 vom 2021-03-23 access.redhat.com
- Oracle Linux Security Advisory ELSA-2021-0966 vom 2021-03-24 linux.oracle.com
- Red Hat Security Advisory RHSA-2021:1263 vom 2021-04-20 access.redhat.com
- Amazon Linux Security Advisory ALAS-2021-1630 vom 2021-04-22 alas.aws.amazon.com
- Ubuntu Security Notice USN-7146-1 vom 2024-12-10 ubuntu.com
- Ubuntu Security Notice USN-8158-1 vom 2026-04-08 ubuntu.com
CVE: CVE-2019-10146, CVE-2019-10179, CVE-2019-10221, CVE-2020-1721, CVE-2020-25715, CVE-2021-20179
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.