CVE-2021-29740

highpriority · track · 31EPSS 0.003 · 26 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 7.2 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.3 system core component is affected by a format string security vulnerability. An attacker could execute arbitrary code in the context of process memory, potentially escalating their system privileges and taking control over the entire system with root access. IBM X-Force ID: 201474.

cvss

Technical severity, 0–10. One row per scoring source.

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.08.4highCVSS:3.0/I:H/S:U/AC:L/A:H/PR:N/C:H/AV:L/UI:N/RL:O/E:U/RC:Csecondary · ENISA EU

v3.08.4highCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@us.ibm.com USexploitability 2.5 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USprimary

affected products (6)

Products and version ranges known to be affected.

IBM Spectrum Scale≤ 5.0.0enisa_euvdEU
IBM Spectrum Scale≤ 5.1.0.3enisa_euvdEU
IBM Spectrum Scale≤ 5.1.0enisa_euvdEU
IBM Spectrum Scale≤ 5.0.5.6enisa_euvdEU
ibm spectrum scale5.0.0.0 → 5.0.5.7nvdUScpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*
ibm spectrum scale5.1.0 → 5.1.1.0nvdUScpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-06-01modified 2026-06-17

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+776 more

references (9)

External citations — patches, advisories, analysis.

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