CVE-2020-4771

mediumpriority · track · 22EPSS 0.016 · 75 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.56% (75th) EPSS

CVSS 5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication of a websocket endpoint. By using known tools to subscribe to the websocket event stream, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 188993.

cvss

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

5.3

010

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

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/C:L/A:N/AV:N/AC:L/UI:N/PR:N/S:U/I:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · psirt@us.ibm.com USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (6)

Products and version ranges known to be affected.

IBM Spectrum Protect Operations Center≤ 8.1enisa_euvdEU
IBM Spectrum Protect Operations Center≤ 7.1.11enisa_euvdEU
IBM Spectrum Protect Operations Center≤ 8.1.10enisa_euvdEU
IBM Spectrum Protect Operations Center≤ 7.1enisa_euvdEU
ibm spectrum protect operations center7.1.0.000 → 7.1.11nvdUScpe:2.3:a:ibm:spectrum_protect_operations_center:*:*:*:*:*:*:*:*
ibm spectrum protect operations center8.1.0.000 → 8.1.10nvdUScpe:2.3:a:ibm:spectrum_protect_operations_center:*:*:*:*:*:*:*:*

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 2020-11-23modified 2026-06-17

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+7709 more

references (10)

External citations — patches, advisories, analysis.

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