CVE-2021-39048

Name: CVE-2021-39048
Creator: NVD / NIST
Published: 2021-12-13T19:15:07.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2021-39048 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. IBM Spectrum Protect Client 7.1 and 8.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local attacker could exploit this vulnerability and cause a denial of service. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

IBM Spectrum Protect Client 7.1 and 8.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 214438.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.28%

19.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Ibm	Spectrum Protect Backup-Archive Client	>= 8.1.0.0, <= 8.1.12.0
Ibm	Spectrum Protect Backup-Archive Client	>= 7.1.0.0, <= 7.1.8.10
Ibm	Spectrum Protect For Space Management	>= 8.1.0.0, <= 8.1.12.0
Ibm	Spectrum Protect For Space Management	>= 7.1.0.0, <= 7.1.8.10

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/214438VDB Entry, Vendor Advisory
https://security.gentoo.org/glsa/202209-02Third Party Advisory
https://www.ibm.com/support/pages/node/6524706Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/214438VDB Entry, Vendor Advisory
https://security.gentoo.org/glsa/202209-02Third Party Advisory
https://www.ibm.com/support/pages/node/6524706Patch, Vendor Advisory

Timeline

Published: Dec 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39048?

How severe is CVE-2021-39048?

CVE-2021-39048 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39048?

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-2021-39048?

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

Scan your code now

Source: NVD / NIST