How severe is CVE-2021-29672?

CVE-2021-29672 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29672?

CVE-2021-29672 primarily affects Ibm Spectrum Protect Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29672?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29672 published?

CVE-2021-29672 was published on 2021-04-26 and last updated on 2026-06-17.

CVE-2021-29672

CVE-2021-29672 is a high-severity vulnerability in Ibm Spectrum Protect Client with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Ibm Spectrum Protect Client
Published: 2021-04-26
Last modified: 2026-06-17

Description

IBM Spectrum Protect Client 8.1.0.0-8 through 1.11.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when processing the current locale settings. A local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash. IBM X-Force ID: 199479

Frequently asked questions

What is CVE-2021-29672?: IBM Spectrum Protect Client 8.1.0.0-8 through 1.11.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking when processing the current locale settings. A local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash. IBM X-Force ID: 199479
How severe is CVE-2021-29672?: CVE-2021-29672 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29672?: CVE-2021-29672 primarily affects Ibm Spectrum Protect Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29672?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29672 published?: CVE-2021-29672 was published on 2021-04-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:spectrum_protect_client:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:spectrum_protect_for_space_management:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Spectrum Protect Client

CVE-2022-22474 — High (CVSS 7.5): IBM Spectrum Protect 8.1.0.0 through 8.1.14.0 dsmcad, dsmc, and dsmcsvc processes incorrectly handle certain read…
CVE-2020-4494 — High (CVSS 7.5): IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum…
CVE-2018-1785 — High (CVSS 7.5): IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) uses weaker than expected cryptographic algorithms that…
CVE-2018-1545 — High (CVSS 7.5): IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) uses weaker than expected cryptographic algorithms that…
CVE-2023-33832 — Medium (CVSS 6.2): IBM Spectrum Protect 8.1.0.0 through 8.1.17.0 could allow a local user to cause a denial of service due to due to…
CVE-2022-22478 — Medium (CVSS 5.5): IBM Spectrum Protect Client 8.1.0.0 through 8.1.14.0 stores user credentials in plain clear text which can be read by a…

All CVEs affecting Ibm Spectrum Protect Client →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →