CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$0-$5k	0.00

A vulnerability has been found in Opera Web Browser up to 7.19 (Web Browser) and classified as very critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in Opera before 10.54 have unknown impact and attack vectors related to (1) "extremely severe," (2) "highly severe," (3) "moderately severe," and (4) "less severe" issues.

The weakness was released 06/22/2010 (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2010-2421. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/24/2025).

The vulnerability scanner Nessus provides a plugin with the ID 47113 (Opera < 10.54 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118121 (Opera Web Browser Multiple Unspecified Vulnerabilities).

Upgrading to version 7.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (47113), SecurityFocus (BID 40973†) and Vulnerability Center (SBV-26146†). Entries connected to this vulnerability are available at VDB-53962, VDB-53961, VDB-53957 and VDB-53956.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5
• 7.6
• 7.7
• 7.8
• 7.9
• 7.10
• 7.11
• 7.12
• 7.13
• 7.14
• 7.15
• 7.16
• 7.17
• 7.18
• 7.19

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 47113
Nessus Name: Opera < 10.54 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71547
OpenVAS Name: Gentoo Security Advisory GLSA 201206-03 (Opera)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20

Timelineinfo

06/21/2010 🔍
06/22/2010 +0 days 🔍
06/22/2010 +0 days 🔍
06/22/2010 +0 days 🔍
06/22/2010 +0 days 🔍
06/28/2010 +6 days 🔍
03/19/2015 +1725 days 🔍
01/24/2025 +3599 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2421 (🔍)
OVAL: 🔍

SecurityFocus: 40973
Secunia: 40250
Vulnerability Center: 26146 - Opera Web Browser Before 10.54 Multiple Unspecified Vulnerabilities, Critical

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22 PM
Updated: 01/24/2025 05:38 PM
Changes: 03/19/2015 12:22 PM (59), 02/28/2017 11:09 AM (6), 09/18/2021 01:36 PM (4), 09/18/2021 01:41 PM (1), 01/24/2025 05:38 PM (18)
Complete: 🔍
Cache ID: 18:560:40

Discussion

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