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CVE-2011-4681

UnknownEPSS 2.09%

Last modified

CVE-2011-4681 is a vulnerability of currently unknown severity. Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

Description

Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.

Metrics

EPSS Probability
2.09%

79.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
OperaOpera Browser<= 11.60Beta
OperaOpera Browser5.0—
OperaOpera Browser5.02—
OperaOpera Browser5.10—
OperaOpera Browser5.11—
OperaOpera Browser5.12—
OperaOpera Browser6.0—
OperaOpera Browser6.1—
OperaOpera Browser6.01—
OperaOpera Browser6.02—
OperaOpera Browser6.03—
OperaOpera Browser6.04—
OperaOpera Browser6.05—
OperaOpera Browser6.06—
OperaOpera Browser6.11—
OperaOpera Browser6.12—
OperaOpera Browser7.0—
OperaOpera Browser7.01—
OperaOpera Browser7.02—
OperaOpera Browser7.03—
OperaOpera Browser7.10—
OperaOpera Browser7.11—
OperaOpera Browser7.20—
OperaOpera Browser7.21—
OperaOpera Browser7.22—
OperaOpera Browser7.23—
OperaOpera Browser7.50—
OperaOpera Browser7.51—
OperaOpera Browser7.52—
OperaOpera Browser7.53—
OperaOpera Browser7.54—
OperaOpera Browser7.60—
OperaOpera Browser8.0—
OperaOpera Browser8.01—
OperaOpera Browser8.02—
OperaOpera Browser8.50—
OperaOpera Browser8.51—
OperaOpera Browser8.52—
OperaOpera Browser8.53—
OperaOpera Browser8.54—
OperaOpera Browser9.0—
OperaOpera Browser9.01—
OperaOpera Browser9.02—
OperaOpera Browser9.10—
OperaOpera Browser9.12—
OperaOpera Browser9.20—
OperaOpera Browser9.21—
OperaOpera Browser9.22—
OperaOpera Browser9.23—
OperaOpera Browser9.24—

Showing 50 of 79 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4681?
Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.
How severe is CVE-2011-4681?
Severity scoring for CVE-2011-4681 is pending analysis. The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4681?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST