5.6

CVE-2021-38986: ibm mq Insufficient Session Expiration

CVSS: 5.6v3.0MediumModified
Published 01-03-2022Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-38986 is a medium (CVSS 5.6) Insufficient Session Expiration vulnerability in ibm mq. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.6/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.47%
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. 01-03-2022
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

IBM MQ Appliance 9.2 CD and 9.2 LTS does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 212942.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.47%

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
  • mq≥ 9.2.0, < 9.2.0.4 | ≥ 9.2.0, < 9.2.5
  • mq_appliance9.2 LTS | 9.2 CD

1 vendor · 2 products

References

2 links