What is CVE-2020-4682?

CVE-2020-4682 is a critical-severity vulnerability in Ibm Mq, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-01-28.

How severe is CVE-2020-4682?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Ibm Mq

CVE-2020-4682

IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization of trusted data. An attacker could exploit this vulnerability to execute arbitrary co…

Vulnerability class: Insecure Deserialization

EPSS: 0.078 (94.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Mq — versions 9.2.1.0, 9.0.0.9, 8.0.0.4
Ibm Mq_appliance — versions 9.2.0.0
Ibm Websphere_mq — versions 7.5.0.0, 7.5.0.1, 7.5.0.2

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)

Frequently asked questions

What is CVE-2020-4682?: CVE-2020-4682 is a critical-severity vulnerability in Ibm Mq, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-01-28.
How severe is CVE-2020-4682?: Critical severity. CVSS v3 base score is 9.8 out of 10.