Auth bypass in Dell EMC Powerscale Onefs
CVE-2021-21502
Dell PowerScale OneFS versions 8.1.0 – 9.1.0 contain a "use of SSH key past account expiration" vulnerability. A user on the network with the ISI_PRIV_AUTH_SSH RBAC privilege that has an expired account may potentially exploit this vulnerability, giving them access to the same things they had before account expiration. This may by a high privileged account and hence Dell recommends customers upgrade at the earliest opportunity.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Dell EMC Powerscale Onefs — versions 8.1.0, 8.1.1, 8.1.2
- Dell Powerscale Onefs — versions unspecified
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-21502?
- CVE-2021-21502 is a critical-severity vulnerability in Dell EMC Powerscale Onefs, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-02-09.
- How severe is CVE-2021-21502?
- Critical severity. CVSS v3 base score is 9.8 out of 10.