CVE-2021-29872 json
IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by imp…
published 2022-01-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16346
- cvss
- 5.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.
Patch / fix
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.4 | CVSS:3.0/AV:N/C:L/AC:L/PR:L/I:L/UI:N/S:U/A:N/RC:C/E:U/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 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 Cloud Pak for Automation
Classification
- Weakness
-
- CWE-116 Improper Encoding or Escaping of Output
References
-
ibm.com
/support/pages/node/6541294
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/206228
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-29872
- NVD CVE-2021-29872
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