CVE-2021-20562

lowpriority · track · 22EPSS 0.009 · 61 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.95% (61st) EPSS

CVSS 3.5 · low

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_3 and 6.1.0.0 through 6.1.0.2 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: 199232.

cvss

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

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.05.4mediumCVSS:3.0/AC:L/A:N/I:L/S:C/AV:N/PR:L/C:L/UI:R/RC:C/E:H/RL:Osecondary · 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

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/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 (6)

Products and version ranges known to be affected.

IBM Sterling B2B Integrator≤ 5.2.6.5_3enisa_euvdEU
IBM Sterling B2B Integrator≤ 6.1.0.2enisa_euvdEU
IBM Sterling B2B Integrator≤ 6.1.0.0enisa_euvdEU
IBM Sterling B2B Integrator≤ 5.2.0.0enisa_euvdEU
ibm sterling b2b integrator5.2.0.0 → 5.2.6.5_3nvdUScpe: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 2021-07-27modified 2026-06-17

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An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
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+53068 more

references (14)

External citations — patches, advisories, analysis.

scry

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