CVE-2024-22030: Rancher agents can be hijacked by taking over the Rancher Server URL
Vulnerability summary
CVE-2024-22030 is a high (CVSS 8.0) Improper Certificate Validation vulnerability in suse rancher. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.
Not severe (CVSS 8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 4Timeline
- 16-10-2024PublishedVulnerability first disclosed.
- 16-10-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified within Rancher that can be exploited in narrow circumstances through a man-in-the-middle (MITM) attack. An attacker would need to have control of an expired domain or execute a DNS spoofing/hijacking attack against the domain to exploit this vulnerability. The targeted domain is the one used as the Rancher URL.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · GoEcosystem advisory · calculated8.0HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.0HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- NVDNIST8.0HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
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≥ 2.7.0, < 2.7.15 | ≥ 2.8.0, < 2.8.8 | ≥ 2.9.0, < 2.9.2 | All versions (No fix recorded)
Suse1 product
- rancher≥ 2.7.0, < 2.7.15 | ≥ 2.8.0, < 2.8.8 | ≥ 2.9.0, < 2.9.2
3 vendors · 6 products
References
8 links
- github.com/rancher/rancherPACKAGE