CVE-2021-38948

Name: CVE-2021-38948
Creator: NVD / NIST
Published: 2021-11-02T16:15:07.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.97%

Last modified Jun 17, 2026

CVE-2021-38948 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. IBM InfoSphere Information Server 11.7 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 1.97% chance of exploitation in the next 30 days.

Description

IBM InfoSphere Information Server 11.7 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: 211402.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.97%

77.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-91

Affected Software

Vendor	Product	Versions
Ibm	Infosphere Information Server	11.7

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/211402VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6509632Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/211402VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6509632Patch, Vendor Advisory

Timeline

Published: Nov 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38948?

How severe is CVE-2021-38948?

CVE-2021-38948 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38948?

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-2021-38948?

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

Scan your code now

Source: NVD / NIST