8.8

CVE-2021-36776: rancher Improper Access Control

CVSS: 8.8v3.1HighModified
AliasesGHSA-gvh9-xgrq-r8hwGO-2024-2771CGA-23hv-5558-wf58
Published 01-04-2022Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-36776 is a high (CVSS 8.8) Improper Access Control vulnerability in rancher. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.12%
0%100%
Low · 0.00 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 1
CGA-72CV-5VW6-PGJF

Timeline

  1. 01-04-2022
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

A Improper Access Control vulnerability in SUSE Rancher allows remote attackers impersonate arbitrary users. This issue affects: SUSE Rancher Rancher versions prior to 2.5.10.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.12%

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

Chainguard4 products
  • harvester< 1.8.1-r1
  • harvester-fips< 1.8.1-r0
  • harvester-fips-webhook< 1.8.1-r0
  • harvester-webhook< 1.8.1-r1
Github.com/rancher1 product
  • rancher≥ 2.5.0, < 2.5.10 | All versions (No fix recorded)
Rancher1 product
Suse1 product

4 vendors · 7 products

References

4 links