CVE-2020-4471

mediumpriority · track · 27OT risk · elevatedEPSS 0.027 · 86 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.65% (86th) EPSS

CVSS 6.4 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow an unauthenticated attacker to cause a denial of service or hijack DNS sessions by send a specially crafted HTTP command to the remote server. IBM X-Force ID: 181726.

cvss

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

6.5

010

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

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 2.5

v3.04.8mediumCVSS:3.0/AV:N/PR:N/AC:H/C:N/UI:N/S:U/A:L/I:L/E:U/RC:C/RL:Osecondary · ENISA EU

v3.04.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · psirt@us.ibm.com USexploitability 2.2 · impact 2.5

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimary

affected products (3)

Products and version ranges known to be affected.

IBM Spectrum Protect Plus≤ 10.1.0enisa_euvdEU
IBM Spectrum Protect Plus≤ 10.1.5enisa_euvdEU
ibm spectrum protect plus10.1.0 → 10.1.5nvdUScpe:2.3:a:ibm:spectrum_protect_plus:*:*:*:*:*:*:*:*

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 2020-06-15modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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