8.8

CVE-2021-21506: dell emc_powerscale_onefs Improper Input Validation

CVSS: 8.8v3.1HighModified
Published 08-03-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-21506 is a high (CVSS 8.8) Improper Input Validation vulnerability in dell emc_powerscale_onefs. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.4% 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
1.08%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-03-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges could potentially exploit this vulnerability, leading to potential privileges escalation.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.04 pp

From 1.04% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.08%

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

Dell2 products

1 vendor · 2 products

References

1 links