CVE-2021-20571 json
IBM Sterling B2B Integrator 5.2.0.0 through 6.1.1.0 is vulnerable to stored cross-site scripting.
published 2021-10-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7989
- cvss
- 4.9
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
IBM Sterling B2B Integrator 5.2.0.0 through 6.1.1.0 is vulnerable to stored 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: 199246.
Patch / fix
- ibm.com/support/pages/node/6496753 advisory
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.9 | CVSS:3.0/UI:N/A:N/C:L/S:C/I:L/PR:L/AC:H/AV:N/E:H/RC:C/RL:O |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.0 | 4.9 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- IBM Sterling B2B Integrator
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
ibm.com
/support/pages/node/6496753
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/199246
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-20571
- NVD CVE-2021-20571
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.