CVE-2020-27583 Deserialization in n/a

Critical 9.8 Published 21 Jan 2021 Updated 4 Aug 2024

Remote unauthenticated attackers can execute arbitrary code via deserialization of untrusted data in IBM InfoSphere Information Server.

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

What is CVE-2020-27583?

CVE-2020-27583 is a critical unsafe deserialization vulnerability in Ibm Infosphere Information Server, published on 21 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM InfoSphere Information Server 8.5.0.0 is affected by deserialization of untrusted data which could allow remote unauthenticated attackers to execute arbitrary code. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Weakness: CWE-502

Which versions are affected by CVE-2020-27583?

It affects 1 product.

Products include Ibm Infosphere Information Server.

How do I fix CVE-2020-27583?

No fix has been published for CVE-2020-27583 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-2020-27583 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-27583 exists.

All Ibm Infosphere Information Server vulnerabilities

Sources

Also known as GHSA-wffw-394c-6775.