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CVE-2011-0450

24
FAUCET Score

CVE-2011-0450 describes a critical vulnerability in Opera versions prior to 11.01 on Windows, where the downloads manager improperly handles the pathname for filesystem-viewing applications. This flaw allows user-assisted remote attackers to execute arbitrary code through a specially crafted website hosting an executable file. With a CVSS score of 7.6, this vulnerability has a network attack vector, high attack complexity, and a complete impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been identified, the high severity warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.00CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta2:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta3:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

AV:N/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.51%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0451 is in the 56th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / ja/contents/2011/JVNDB-2011-000010.html
jvn.jp / en/jp/JVN33880169/index.html
osvdb.org / 70726
secunia.com / advisories/43023
Vendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12369
opera.com / docs/changelogs/windows/1101
opera.com / support/kb/view/985
Vendor Advisory
vupen.com / english/advisories/2011/0231
Vendor Advisory