CVE-2020-8567: google secret_manager_provider_for_secret_store_csi_driver Path Traversal: '../filedir'
CVSS: 6.5v3.1MediumModified
AliasesCGA-c4g3-6hc6-9qrvCGA-m3rx-xg29-5vc9GHSA-2v35-wj4r-rcmvGO-2024-2750CGA-2fv3-gfp3-fp9rCGA-9fvf-7c6q-w5j6CGA-hcx5-9wjh-94rhCGA-vjrh-jrhq-79p3CGA-wv8h-mcfg-ch7wCGA-x6pq-pp85-7qw8
Published 21-01-2021Last modified 16-09-2024
Vulnerability summary
CVE-2020-8567 is a medium (CVSS 6.5) Path Traversal: '../filedir' vulnerability in google secret_manager_provider_for_secret_store_csi_driver. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.49%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 21-01-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Kubernetes Secrets Store CSI Driver Vault Plugin prior to v0.0.6, Azure Plugin prior to v0.0.10, and GCP Plugin prior to v0.2.0 allow an attacker who can create specially-crafted SecretProviderClass objects to write to arbitrary file paths on the host filesystem, including /var/lib/kubelet/pods.
CVSS metrics
7 scores · 5 sources · 3 versionsLow 2.3Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:LSourcesSingle source
Medium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSources5 sources · 4.9–6.5
- CVE.orgCNA4.9MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:LDiffers
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- OSV · GoEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:LDiffers
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.49%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
+0.11 pp
From 1.38% on 20-09-2026
20-09-202620-10-2026
EPSS score1.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-24Path Traversal: '../filedir'The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory.
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Chainguard4 products
- secrets-store-csi-driver-provider-azureAll versions (No fix recorded)
- secrets-store-csi-driver-provider-azure-fipsAll versions (No fix recorded)
- vault-csi-providerAll versions (No fix recorded)
- vault-csi-provider-fipsAll versions (No fix recorded)
Github.com/Azure1 product
- secrets-store-csi-driver-provider-azure< 0.0.10 | All versions (No fix recorded)
Github.com/GoogleCloudPlatform1 product
- secrets-store-csi-driver-provider-gcp< 0.2.0
Github.com/hashicorp1 product
- vault-csi-provider< 0.0.6 | All versions (No fix recorded)
Google1 product
Hashicorp1 product
Kubernetes1 product
- kubernetes secrets store csi driver≥ Vault Plugin, < v0.0.6 | ≥ Azure Plugin, < v0.0.10 | ≥ GCP Plugin, < v0.2.0
Microsoft1 product
Wolfi1 product
- secrets-store-csi-driver-provider-azureAll versions (No fix recorded)
9 vendors · 12 products
References
7 links- groups.google.com/g/kubernetes-secrets-store-csi-driver/c/BI2qisiNXHYX Refsource MISCAdvisoryWEBMailing ListThird Party Advisory
- github.com/kubernetes-sigs/secrets-store-csi-driver/issues/384X Refsource MISCFIXWEBPatchThird Party Advisory
