Back
CVE-2010-4586
The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and remote attack vectors,…
- 10.0HighCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and remote attack vectors, possibly a related issue to CVE-2010-4508.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
5
- 42653 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.opera.com/docs/changelogs/unix/1100/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.opera.com/docs/changelogs/windows/1100/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.opera.com/docs/changelogs/mac/1100/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SR:2010:024 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-4552 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-4586)Record last updated .