Is CVE-2010-2421 being actively exploited?

CVE-2010-2421 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-2421?

CVE-2010-2421 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2010-2421

HIGH · CVSS 10.0EPSS 2.3%EU EUVD

Multiple unspecified vulnerabilities in Opera before 10.54 have unknown impact and attack vectors related to (1) "extremely severe," (2) "highly severe," (3) "moderately severe," and (4) "less severe" issues.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS score: 2.3% (83th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-2431)
Published: June 22, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-2431 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser
opera / opera browser

and 53 more…

References

http://secunia.com/advisories/40250(Vendor Advisory)
http://www.opera.com/docs/changelogs/mac/1054/(Vendor Advisory)
http://www.opera.com/docs/changelogs/windows/1054/(Vendor Advisory)
http://www.securityfocus.com/bid/40973
http://www.vupen.com/english/advisories/2010/1529(Patch, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11352

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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