CVE-2020-4557

lowpriority · track · 22EPSS 0.006 · 47 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (47th) EPSS

CVSS 3.5 · low

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-29

IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.5 and 8.6 are 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: 183611.

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/PR:L/AC:L/I:L/A:N/S:C/AV:N/C:L/UI:R/RL:O/E:H/RC:Csecondary · 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 (10)

Products and version ranges known to be affected.

IBM Business Automation Workflow≤ 18.0enisa_euvdEU
IBM Business Automation Workflow≤ 20.0enisa_euvdEU
IBM Business Automation Workflow≤ 19.0enisa_euvdEU
IBM Business Process Manager≤ 8.6enisa_euvdEU
IBM Business Process Manager≤ 8.5enisa_euvdEU
ibm business automation workflow= 18.0.0.0nvdUScpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
ibm business automation workflow= 19.0.0.0nvdUScpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
ibm business automation workflow= 20.0.0.0nvdUScpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
ibm business process manager= 8.5.0.0nvdUScpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*
ibm business process manager= 8.6.0.0nvdUScpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*

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 2020-06-29modified 2026-06-17

related (53,163)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-42897US	medium6.1OT critical	70.7% (99th)	KEV	2026-05-14
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
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…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53158 more

references (11)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan