6.1

CVE-2021-20397: ibm qradar_security_information_and_event_manager Cross-site Scripting

CVSS: 6.1v3.0MediumModified
Published 05-05-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-20397 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in ibm qradar_security_information_and_event_manager. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.2% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-05-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.65%

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

Ibm2 products
  • qradar_security_information_and_event_manager≥ 7.3.0, < 7.3.3 | ≥ 7.4.0, < 7.4.2 | 7.3.3 | 7.3.3:fix_pack_1 | 7.3.3:fix_pack_2 | 7.3.3:fix_pack_3 | 7.3.3:fix_pack_4 | 7.3.3:fix_pack_5 | 7.3.3:fix_pack_6 | 7.3.3:fix_pack_7 | 7.4.2 | 7.4.2:fix_pack_1 | 7.4.2:fix_pack_2
  • qradar siem7.3 | 7.4

1 vendor · 2 products

References

2 links