CVE-2010-2421
Multiple unspecified vulnerabilities in Opera before 10.54 have unknown impact and attack vectors...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2010-2421- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2010-2421- Updated
- 2026-11-02
EUVDEUVD-2010-2431 No score
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.
- Record
EUVD-2010-2431- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2368-j9pf-v6jc No score
Multiple unspecified vulnerabilities in Opera before 10.54 have unknown impact and attack vectors...
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.
- Record
GHSA-2368-j9pf-v6jc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-2421 is a high vulnerability (CVSS 10.0) in Opera Browser, published June 22, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. No source names a fixed version.
References
securityfocus.com/bid/40973
vupen.com/english/advisories/2010/1529
opera.com/docs/changelogs/mac/1054
secunia.com/advisories/40250
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11352
nvd.nist.gov/vuln/detail/CVE-2010-2421
github.com/advisories/GHSA-2368-j9pf-v6jc