CVE-2021-29781

Name: CVE-2021-29781
Creator: NVD / NIST
Published: 2021-07-30T12:15:07.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.86%

Last modified Jun 17, 2026

CVE-2021-29781 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IBM Partner Engagement Manager 2.0 could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By sending specially-crafted data, an attacker could exploit this vulnerability to execute arbitrary code on the system. EPSS estimates a 2.86% chance of exploitation in the next 30 days.

Description

IBM Partner Engagement Manager 2.0 could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By sending specially-crafted data, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 203091.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.86%

85.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ibm	Partner Engagement Manager	2.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/203091VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6476668Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/203091VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6476668Patch, Vendor Advisory

Timeline

Published: Jul 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29781?

How severe is CVE-2021-29781?

CVE-2021-29781 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29781?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29781?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST