CVE-2021-21591: dell emc_unity_operating_environment
CVSS: 6.7v3.1MediumModified
Published 12-07-2021Last modified 17-09-2024
Vulnerability summary
CVE-2021-21591 is a medium (CVSS 6.7) vulnerability in dell emc_unity_operating_environment. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (NVD)EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-07-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 contain a plain-text password storage vulnerability. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.7Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.4–6.7
- CVE.orgCNA6.4MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.20% on 19-09-2026
19-09-202619-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected systems
Dell4 products
- emc_unity_operating_environment< 5.1.0.0.5.394
- emc_unity_xt_operating_environment< 5.1.0.0.5.394
- emc_unityvsa_operating_environment< 5.1.0.0.5.394
- unity≥ unspecified, < 5.1.0.0.5.394
1 vendor · 4 products