CVE-2021-29736
No exploitation reported by the sources we read.
- Published2021-07-30
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote user to gain elevated privileges on the system. IBM X-Force ID: 201300.
Timeline
dates in UTC- 2021-07-3012:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-29736?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-29736?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 7.0 | ≥ 7.0.0.0, ≤ 7.0.0.45 | no fix published | NVD |
| 8.0 | ≥ 8.0.0.0, ≤ 8.0.0.15 | no fix published | NVD |
| 8.5 | ≥ 8.5.0.0, ≤ 8.5.5.20 | no fix published | NVD |
| 9.0 | ≥ 9.0.0.0, ≤ 9.0.5.8 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
Advisories and patches
- exchange.xforce.ibmcloud.comVendor Advisory
- www.ibm.comPatch · Vendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.18.8read 2026-10-23
- CNACVSS 3.05read 2026-10-23
- NVDCVSS 2.06.5read 2026-10-23
- FIRST EPSSEPSS score1.1 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2021-07-30
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-29736?
Is CVE-2021-29736 actively exploited?
What is the CVSS score for CVE-2021-29736?
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