CVE-2021-35560
No exploitation reported by the sources we read.
- Published2021-10-20
- Fixed in8.0.311 · 1.8.0
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
Vulnerability in the Java SE product of Oracle Java SE (component: Deployment). The supported version that is affected is Java SE: 8u301. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Java SE. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Timeline
dates in UTC- 2021-10-2011:16CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-35560?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-35560?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
OSV| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.0 | ≥ 8.0.0, < 8.0.311 | 8.0.311 | OSV |
| 1.8 | < 1.8.0 | 1.8.0 | OSV |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.0 | ≥ 8.0.0, < 8.0.311 | 8.0.311 | OSV |
| 1.8 | < 1.8.0 | 1.8.0 | OSV |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.0 | ≥ 8.0.0, < 8.0.311 | 8.0.311 | OSV |
| 1.8 | < 1.8.0 | 1.8.0 | OSV |
7 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update java to 8.0.311 · 1.8.0
Advisories and patches
- www.oracle.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
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published
- 2021-10-20
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-35560?
Is CVE-2021-35560 actively exploited?
What is the CVSS score for CVE-2021-35560?
Running Java (Oracle JDK)? Hear about its next vulnerability
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.