6.5

CVE-2019-11255: kubernetes external-provisioner Improper Input Validation

CVSS: 6.5v3.1MediumModified
AliasesRHSA-2019:4054RHSA-2019:4096RHSA-2019:4225
Published 05-12-2019Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2019-11255 is a medium (CVSS 6.5) Improper Input Validation vulnerability in kubernetes external-provisioner. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.01%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 15
CGA-2FVQ-57PF-9XG6CGA-2MXM-H64H-G4J5CGA-5JFW-W68X-XW62CGA-5PMR-PQ4H-VM2VCGA-5VRJ-6MCC-QV6QCGA-5XF3-4HXP-QC54

Timeline

  1. 05-12-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-resizer (v0.1, v0.2) could result in unauthorized PersistentVolume data access or volume mutation during snapshot, restore from snapshot, cloning and resizing operations.

CVSS metrics

7 scores · 6 sources · 3 versions

EPSS trend

Probability

2.01%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.05 pp

From 1.96% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat9 products
  • openshift_container_platform3.11 | 4.1 | 4.2
  • openshift-external-storage< 0:0.0.2-10.gitd3c94f0.el7 | < 0:0.0.2-11.gitd3c94f0.el7
  • openshift-external-storage-cephfs-provisioner< 0:0.0.2-10.gitd3c94f0.el7 | < 0:0.0.2-11.gitd3c94f0.el7
  • openshift-external-storage-debuginfo< 0:0.0.2-10.gitd3c94f0.el7 | < 0:0.0.2-11.gitd3c94f0.el7
  • openshift-external-storage-efs-provisioner< 0:0.0.2-10.gitd3c94f0.el7 | < 0:0.0.2-11.gitd3c94f0.el7
Chainguard6 products
  • aws-ebs-csi-driverAll versions (No fix recorded)
  • aws-efs-csi-driverAll versions (No fix recorded)
  • cri-toolsAll versions (No fix recorded)
  • kubernetes-csi-external-provisioner< 4.0.1-r1
  • kubernetes-dns-node-cacheAll versions (No fix recorded)
Kubernetes6 products
Wolfi5 products
  • aws-efs-csi-driverAll versions (No fix recorded)
  • cri-toolsAll versions (No fix recorded)
  • kubernetes-csi-external-provisioner< 4.0.1-r1
  • kubernetes-dns-node-cacheAll versions (No fix recorded)
  • nodetaintAll versions (No fix recorded)
Github.com/kubernetes-csi2 products
  • external-provisioner< 0.4.3 | ≥ 1.0.0, < 1.0.2 | 1.1 | ≥ 1.2.0, < 1.2.2 | ≥ 1.3.0, < 1.3.1
  • external-resizer0.1 | 0.2
Github.com/kubernetes-csi/external-snapshotter1 product
  • v6≥ 1.0.0, < 1.0.2 | 1.1 | ≥ 1.2.0, < 1.2.2

6 vendors · 29 products

References

17 links
Show all 17 references