CVE-2020-4521 Deserialization in Maximo Asset Management

High 8.8 Published 15 Sep 2020 Updated 16 Sep 2024

Remote authenticated attackers can execute arbitrary code on IBM Maximo Asset Management via unsafe Java deserialization.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-4521?

CVE-2020-4521 is a high-severity unsafe deserialization vulnerability in Ibm Maximo Asset Management, published on 15 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Maximo Asset Management 7.6.0 and 7.6.1 could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization in Java. By sending specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 182396.

Weakness: CWE-502

Which versions are affected by CVE-2020-4521?

It affects 1 product.

Products include Ibm Maximo Asset Management.

How do I fix CVE-2020-4521?

No fix has been published for CVE-2020-4521 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2020-4521 being exploited?

There is no known exploitation of CVE-2020-4521 in the wild and no public exploit code.

All Ibm Maximo Asset Management vulnerabilities

Sources

Also known as GHSA-cggp-hg98-4chw.