CVE-2021-36294: dell emc_unity_operating_environment Insufficient Entropy
CVSS: 9.8v3.1CriticalModified
Published 25-01-2022Last modified 16-09-2024
Vulnerability summary
CVE-2021-36294 is a critical (CVSS 9.8) Insufficient Entropy vulnerability in dell emc_unity_operating_environment. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-01-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability. A remote unauthenticated attacker may exploit this vulnerability by forging a cookie to login as any user.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.56% on 20-09-2026
20-09-202620-10-2026
EPSS score1.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-331Insufficient EntropyThe product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
- CWE-330Use of Insufficiently Random ValuesThe product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Affected systems
Dell2 products
- emc_unity_operating_environment≤ 8.1.21.266
- vnx control station≥ unspecified, < TBD
1 vendor · 2 products