CVE-2021-20391: ibm qradar siem
CVSS: 4.0v3.0MediumModified
Published 14-05-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-20391 is a medium (CVSS 4.0) vulnerability in ibm qradar siem. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.2% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.0 (CVE.org)EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-05-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.
CVSS metrics
4 scores · 2 sources · 3 versionsLow 3.3Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSourcesSingle source
Medium 4.0Preferred score · CVE.org (CNA)
CVSS:3.0/S:U/C:L/A:N/AV:L/UI:N/AC:L/I:N/PR:N/RL:O/E:U/RC:CSourcesAll 2 agree
- NVDNIST4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 19-09-2026
19-09-202619-10-2026
EPSS score0.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- qradar siem1.0.0 | 4.1.1
- qradar_user_behavior_analytics≥ 1.0.0, < 4.1.1
1 vendor · 2 products