CVE-2021-20561

mediumpriority · track · 24EPSS 0.006 · 50 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.64% (50th) EPSS

CVSS 4.3 · medium

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199230.

cvss

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

6.1

010

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

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.05.4mediumCVSS:3.0/PR:L/AC:L/I:L/AV:N/A:N/UI:R/S:C/C:L/RL:O/RC:C/E:Hsecondary · ENISA EU

v3.05.4mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · psirt@us.ibm.com USexploitability 2.3 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (12)

Products and version ranges known to be affected.

IBM Sterling File Gateway≤ 6.1.0.0enisa_euvdEU
IBM Sterling File Gateway≤ 6.0.3.4enisa_euvdEU
IBM Sterling File Gateway≤ 5.2.6.5_4enisa_euvdEU
IBM Sterling File Gateway≤ 6.0.0.6enisa_euvdEU
IBM Sterling File Gateway≤ 6.1.0.2enisa_euvdEU
IBM Sterling File Gateway≤ 2.2.0.0enisa_euvdEU
IBM Sterling File Gateway≤ 6.0.0.0enisa_euvdEU
IBM Sterling File Gateway≤ 6.0.1.0enisa_euvdEU
ibm sterling b2b integrator2.2.0.0 → 5.2.6.5_4nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
ibm sterling b2b integrator6.0.0.0 → 6.0.0.6nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
ibm sterling b2b integrator6.0.1.0 → 6.0.3.4nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*
ibm sterling b2b integrator6.1.0.0 → 6.1.0.2nvdUScpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*

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 2021-10-07modified 2026-06-17

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+53015 more

references (7)

External citations — patches, advisories, analysis.

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