CVE-2021-36775: rancher Improper Access Control
CVSS: 8.8v3.1HighModified
AliasesGHSA-28g7-896h-695vGO-2024-2760CGA-2m8m-pqjh-8g68CGA-2wf7-pjhj-p2h6CGA-6ggx-f2q8-8p54CGA-8pjw-xvhj-hwmgCGA-mwj2-6ffr-863pCGA-vfj3-wq7f-vgc8CGA-xgqf-rvr3-gq68CGA-xppv-mx4j-q4w9
Published 01-04-2022Last modified 16-09-2024
Vulnerability summary
CVE-2021-36775 is a high (CVSS 8.8) Improper Access Control vulnerability in rancher. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.97%
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 0 · Related 1Timeline
- 01-04-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
a Improper Access Control vulnerability in SUSE Rancher allows users to keep privileges that should have been revoked. This issue affects: SUSE Rancher Rancher versions prior to 2.4.18; Rancher versions prior to 2.5.12; Rancher versions prior to 2.6.3.
CVSS metrics
6 scores · 4 sources · 3 versionsHigh 8.6Preferred score · OSV · Go (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources4 sources · 8.0–8.8
- OSV · GoEcosystem advisory · calculated8.0HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.97% on 18-09-2026
18-09-202618-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard4 products
- harvesterAll versions (No fix recorded)
- harvester-fipsAll versions (No fix recorded)
- harvester-fips-webhookAll versions (No fix recorded)
- harvester-webhookAll versions (No fix recorded)
Github.com/rancher1 product
- rancher< 2.4.18 | ≥ 2.5.0, < 2.5.12 | ≥ 2.6.0, < 2.6.3 | All versions (No fix recorded)
Rancher1 product
- rancher< 2.4.18 | ≥ 2.5.0, < 2.5.12 | ≥ 2.6.0, < 2.6.3
Suse1 product
- rancher≥ Rancher, < 2.4.18 | ≥ Rancher, < 2.5.12 | ≥ Rancher, < 2.6.3
4 vendors · 7 products
References
4 links- bugzilla.suse.com/show_bug.cgi?id=1189120X Refsource CONFIRMWEBREPORTIssue TrackingThird Party Advisory
- github.com/rancher/rancherPACKAGE