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CVE-2020-1750

17
FAUCET Score

CVE-2020-1750 describes a denial-of-service vulnerability in the Red Hat Machine Config Operator (MCO) affecting OpenShift clusters. This flaw allows an authenticated attacker to render an OpenShift node unresponsive by causing a container to consume excessive memory, preventing new pods from being scheduled. With a CVSS score of 6.5 (Medium), the attack requires low privileges and has a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.2.0, < 4.2.36CPE matchmatch criteria
cpe:2.3:a:redhat:machine-config-operator:*:*:*:*:*:*:*:*
>= 4.3.0, < 4.3.25CPE matchmatch criteria
cpe:2.3:a:redhat:machine-config-operator:*:*:*:*:*:*:*:*
>= 4.4.0, < 4.4.3CPE matchmatch criteria
cpe:2.3:a:redhat:machine-config-operator:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 67th percentile among its peer group of 21,957 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.2Fixed in: openshift4/ose-machine-config-operator:v4.2.36-202006230600.p0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.3Fixed in: openshift4/ose-machine-config-operator:v4.3.25-202006081335
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.4Fixed in: openshift4/ose-machine-config-operator:v4.4.0-202005011342
View patch

Vendor Advisories (1)

redhatCVE-2020-1750Moderate

machine-config-operator-container: mmap stressor makes the cluster unresponsive

Oct 28, 2019

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory