CVE-2020-4876

Name: CVE-2020-4876
Creator: NVD / NIST
Published: 2022-01-21T18:15:08.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 1.73%

Last modified Jun 17, 2026

CVE-2020-4876 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

1.73%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Ibm	Cognos Controller	10.4.0
Ibm	Cognos Controller	10.4.1
Ibm	Cognos Controller	10.4.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/190839VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6509856Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/190839VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6509856Vendor Advisory

Timeline

Published: Jan 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4876?

How severe is CVE-2020-4876?

CVE-2020-4876 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4876?

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-2020-4876?

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

Scan your code now

Source: NVD / NIST