How severe is CVE-2020-10749?

CVE-2020-10749 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-10749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10749?

CVE-2020-10749 primarily affects Redhat Openshift Container Platform. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-10749 published?

CVE-2020-10749 was published on 2020-06-03 and last updated on 2026-06-17.

CVE-2020-10749

CVE-2020-10749 is a medium-severity vulnerability in Redhat Openshift Container Platform with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-300.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
CVSS v2: 6.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-300
Affected product: Redhat Openshift Container Platform
Published: 2020-06-03
Last modified: 2026-06-17

Description

A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or other containers, to redirect traffic to the malicious container.

Frequently asked questions

What is CVE-2020-10749?: A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or other containers, to redirect traffic to the malicious container.
How severe is CVE-2020-10749?: CVE-2020-10749 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-10749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10749?: CVE-2020-10749 primarily affects Redhat Openshift Container Platform. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10749 published?: CVE-2020-10749 was published on 2020-06-03 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:linuxfoundation:cni_network_plugins:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

More vulnerabilities in Redhat Openshift Container Platform

CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
CVE-2019-7609 — Critical (CVSS 10.0): Kibana versions before 5.6.15 and 6.6.1 contain an arbitrary code execution flaw in the Timelion visualizer. An…
CVE-2018-14721 — Critical (CVSS 10.0): FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to conduct server-side request forgery (SSRF)…
CVE-2019-1003034 — Critical (CVSS 9.9): A sandbox bypass vulnerability exists in Jenkins Job DSL Plugin 1.71 and earlier in…
CVE-2019-1003031 — Critical (CVSS 9.9): A sandbox bypass vulnerability exists in Jenkins Matrix Project Plugin 1.13 and earlier in pom.xml,…
CVE-2019-1003030 — Critical (CVSS 9.9): A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml,…

All CVEs affecting Redhat Openshift Container Platform →

Other CWE-300 vulnerabilities

CVE-2023-31004 — High (CVSS 8.3): IBM Security Access Manager Container (IBM Security Verify Access Appliance 10.0.0.0 through 10.0.6.1 and IBM Security…
CVE-2024-31206 — High (CVSS 8.2): dectalk-tts is a Node package to interact with the aeiou Dectalk web API. In `[email protected]`, network requests to…
CVE-2025-31214 — High (CVSS 8.1): This issue was addressed through improved state management. This issue is fixed in iOS 18.5 and iPadOS 18.5. An…
CVE-2024-36553 — High (CVSS 8.1): Forever KidsWatch Call Me KW-50 R36_YDR_A3PW_GM7S_V1.0_2019_07_15_16.19.24_cob_h is vulnerable to MITM attack.
CVE-2021-21953 — High (CVSS 8.1): An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy…
CVE-2021-41033 — High (CVSS 8.1): In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be…

Browse all CWE-300 vulnerabilities →