CVE-2020-8551: fedoraproject fedora
CVSS: 6.5v3.1MediumModified
AliasesRHSA-2020:1276DEBIAN-CVE-2020-8551GHSA-qhm4-jxv7-j9pqGO-2022-0867
Published 27-03-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8551 is a medium (CVSS 6.5) vulnerability in fedoraproject fedora. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 27-03-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250.
CVSS metrics
6 scores · 5 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources5 sources · 4.3–6.5
- CVE.orgCNA4.3MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · Red hatEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
Low 3.3Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.24% on 20-09-2026
20-09-202620-10-2026
EPSS score1.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-789Memory Allocation with Excessive Size ValueThe product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Redhat2 products
- openshift< 0:4.3.10-202003300855.git.0.da48c1d.el7 | < 0:4.3.10-202003300855.git.0.da48c1d.el8
- openshift-hyperkube< 0:4.3.10-202003300855.git.0.da48c1d.el7 | < 0:4.3.10-202003300855.git.0.da48c1d.el8
Debian1 product
- kubernetes< 1.17.4-1
Fedoraproject1 product
- fedoraEOL32
K8s.io1 product
- kubernetes≥ 1.15.0, < 1.15.10 | ≥ 1.16.0, < 1.16.6 | ≥ 1.17.0, < 1.17.2
Kubernetes1 product
- kubernetes≥ unspecified, < v1.17.3 | ≥ unspecified, < v1.16.7 | ≥ unspecified, < v1.15.10 | ≥ 1.15.0, ≤ 1.15.9 | ≥ 1.16.0, ≤ 1.16.6 | ≥ 1.17.0, ≤ 1.17.2
5 vendors · 6 products
References
18 links- github.com/kubernetes/kubernetes/issues/89377X Refsource MISCARTICLEWEBIssue TrackingPatchThird Party Advisory
- groups.google.com/forum/X Refsource MISC
