IBM Spectrum Protect Client 7.1 and 8.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking.

published 2021-12-13 4y ago modified 2026-06-17 4mo ago also EUVD-2021-25485

cvss: 6.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/pages/node/6524706 advisory

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Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.2	CVSS:3.0/UI:N/AV:L/C:N/I:N/S:U/PR:N/A:H/AC:L/RC:C/RL:O/E:U
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.0	6.2	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:N/I:N/A:P

Affected products

IBM Spectrum Protect

Classification

Weakness

CWE-787 Out-of-bounds Write

References

ibm.com /support/pages/node/6524706
patch, vendor-advisory
security.gentoo.org /glsa/202209-02
vendor-advisory, third-party-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/214438
vdb-entry, vendor-advisory

Sources

CVE List CVE-2021-39048
NVD CVE-2021-39048

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