Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2009-4071

5.8 · MEDIUM

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to…

Published Nov 24, 2009operaCWE-16EPSS 2.23%

Overview

CVE-2009-4071 is a medium-severity vulnerability affecting opera opera_browser. It was published on November 24, 2009 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.

Remediation

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
operaopera_browser0Affected

References

Refosvdb.org/60527Refsecunia.com/advisories/37469Refwww.opera.com/docs/changelogs/mac/1010/Refwww.opera.com/docs/changelogs/unix/1010/Refwww.opera.com/docs/changelogs/windows/1010/Refwww.opera.com/support/kb/view/941/Refwww.securityfocus.com/bid/37089Refwww.vupen.com/english/advisories/2009/3297Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6385Refosvdb.org/60527

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4071?

CVE-2009-4071 is a medium-severity vulnerability affecting opera opera_browser. It was published on November 24, 2009 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

How severe is CVE-2009-4071?

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4071?

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4071?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4071 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2009

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999