CVE-2020-4767

mediumpriority · track · 31EPSS 0.016 · 76 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.60% (76th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused by a buffer over-read. Bysending a specially crafted request, the attacker could cause the application to crash. IBM X-Force ID: 188906.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

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

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/UI:N/A:H/I:N/PR:N/AV:N/C:N/AC:L/S:U/RC:C/RL:O/E:Usecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@us.ibm.com USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimary

affected products (8)

Products and version ranges known to be affected.

IBM Sterling Connect Direct for Microsoft Windows≤ 4.7enisa_euvdEU
IBM Sterling Connect Direct for Microsoft Windows≤ 6.1enisa_euvdEU
IBM Sterling Connect Direct for Microsoft Windows≤ 4.8enisa_euvdEU
IBM Sterling Connect Direct for Microsoft Windows≤ 6.0enisa_euvdEU
ibm sterling connect:direct4.7.0.0 → 4.7.0.7nvdUScpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:*
ibm sterling connect:direct4.8.0.0 → 4.8.0.3nvdUScpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:*
ibm sterling connect:direct6.0.0.0 → 6.0.0.4nvdUScpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:*
ibm sterling connect:direct6.1.0.0 → 6.1.0.1nvdUScpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:*

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 2020-10-28modified 2026-06-17

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+11870 more

references (10)

External citations — patches, advisories, analysis.

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