Exploited. On CISA's list since 2025-02-24.

Oracle Agile Product Lifecycle Management (PLM) Deserialization Vulnerability

CVE-2024-20953 · Oracle Agile Product Lifecycle Management (PLM) · Published 2024-02-17

How bad would it be?

8.8 out of 10

CVSS rates it high.

How likely is it to be used?

3.9%

Estimated chance of exploitation in the next 30 days, higher than 90% of all scored flaws (EPSS, 2026-10-29).

Is it already being used?

Yes

CISA has seen it exploited in real attacks. For US government agencies the fix is deadline passed 592 days ago (2025-03-17).

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Oracle Agile Product Lifecycle Management (PLM) contains a deserialization vulnerability that allows a low-privileged attacker with network access via HTTP to compromise the system.

What the flaw is

Vulnerability in the Oracle Agile PLM product of Oracle Supply Chain (component: Export). The supported version that is affected is 9.3.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Agile PLM. Successful attacks of this vulnerability can result in takeover of Oracle Agile PLM. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

From the NVD.

Fixes and advisories

www.oracle.comVendor Advisory
www.oracle.comVendor Advisory

Learn this

Explore this week’s weaknesses and all learning topics

Understand the kind of weakness behind this flaw. These resources teach the weakness, rather than reproduce this specific CVE. Follow the vendor's advice above to fix the affected product.

Insecure deserialization

Rebuilding objects from untrusted saved data can trigger unintended behaviour.

CWE-502 · CISA KEV; NVD record: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Reading and practice labs · Free account for labs. Basic HTTP knowledge; some labs use Burp Suite.

Explore the labs at PortSwigger Web Security Academy How it is prevented

CWE is a catalogue of weakness types. Labels come from the sources shown and can differ or change. Resource matches reviewed 16 October 2026.

On SentryFeed

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Exploited flaws from CISA's KEV catalogue. Chance of exploitation from EPSS by FIRST. Descriptions and scores from the NVD. This product uses the NVD API but is not endorsed or certified by the NVD.