Opera Web Browser up to 7.19 cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Opera Web Browser up to 7.19 (Web Browser). It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a cryptographic issues vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."

The weakness was presented 12/07/2011 (Website). The advisory is shared at opera.com. This vulnerability is uniquely identified as CVE-2011-4684 since 12/06/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 57039 (Opera < 11.60 Multiple Vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 7.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71762) and Tenable (57039). See 61946, 59616, 59615 and 59614 for similar entries.






  • free

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 57039
Nessus Name: Opera < 11.60 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802834
OpenVAS Name: Opera Multiple Vulnerabilities - December11 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20


12/06/2011 🔍
12/06/2011 +0 days 🔍
12/07/2011 +1 days 🔍
12/07/2011 +0 days 🔍
12/12/2011 +5 days 🔍
11/12/2012 +336 days 🔍
03/23/2015 +861 days 🔍
11/27/2021 +2441 days 🔍


Vendor: opera.com

Advisory: opera.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4684 (🔍)
X-Force: 71762
Vulnerability Center: 37166 - Opera <11.60 Remote Unspecified Vulnerability - CVE-2011-4684, Critical
SecurityFocus: 51027 - Opera Web Browser Prior to 11.60 Multiple Denial of Service and Unspecified Vulnerabilitiies

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍


Created: 03/23/2015 04:50 PM
Updated: 11/27/2021 05:13 AM
Changes: 03/23/2015 04:50 PM (65), 04/20/2017 10:19 PM (7), 11/27/2021 05:13 AM (3)
Complete: 🔍


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