CVE-2020-4521

highpriority · track · 37EPSS 0.065 · 94 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

6.46% (94th) EPSS

CVSS 9 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

IBM Maximo Asset Management 7.6.0 and 7.6.1 could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization in Java. By sending specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 182396.

cvss

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

9.0

010

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

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.8highCVSS:3.0/AC:L/A:H/AV:N/I:H/S:U/C:H/UI:N/PR:L/E:U/RC:C/RL:Osecondary · ENISA EU

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@us.ibm.com USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/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-502USprimaryCWE-502US

affected products (6)

Products and version ranges known to be affected.

IBM Maximo Asset Management≤ 7.6.1enisa_euvdEU
IBM Maximo Asset Management≤ 7.6.0enisa_euvdEU
IBM Corp. IBM Maximo Asset Management7.6.0 → 7.6.0.10fstec_bduRU
IBM Corp. IBM Maximo Asset Management7.6.1 → 7.6.1.2fstec_bduRU
ibm maximo asset management7.6.0 → 7.6.0.10nvdUScpe:2.3:a:ibm:maximo_asset_management:*:*:*:*:*:*:*:*
ibm maximo asset management7.6.1 → 7.6.1.2nvdUScpe:2.3:a:ibm:maximo_asset_management:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-09-15modified 2026-06-17

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+3739 more

references (9)

External citations — patches, advisories, analysis.

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