What is the CVSS score of CVE-2013-2834?

CVE-2013-2834 has a CVSS 2.0 base score of 5.0 (Medium). CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N. EPSS exploitation probability: 0.1%.

Chrome CVE-2013-2834

MEDIUM

Permissions, Privileges, and Access Controls (CWE-264)

2013-04-16 chrome-cve-admin@google.com

Privilege Escalation Chrome Google Chrome Os

5.0

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-264 ASVS 5.0 V8 - Authorization Permission and access control MITRE ATT&CK 1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.15%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAI

Google Chrome OS before 26.0.1410.57 does not properly enforce origin restrictions for the O3D and Google Talk plug-ins, which allows remote attackers to bypass the domain-whitelist protection. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-264. Google Chrome OS before 26.0.1410.57 does not properly enforce origin restrictions for the O3D and Google Talk plug-ins, which allows remote attackers to bypass the domain-whitelist protection mechanism via a crafted web site, a different vulnerability than CVE-2013-2835. Affected products include: Google Chrome Os. Version information: before 26.0.1410.57.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.0 MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

Availability

None

DescriptionCVE.org

Google Chrome OS before 26.0.1410.57 does not properly enforce origin restrictions for the O3D and Google Talk plug-ins, which allows remote attackers to bypass the domain-whitelist protection mechanism via a crafted web site, a different vulnerability than CVE-2013-2835.

Threat Intelligence Overview

EPSS Score

0.1%

Top 65% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +25

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)CVE.org

cpe:2.3:o:google:chrome_os:*:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.0:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.1:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.3:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.4:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.5:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.6:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.7:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.8:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.9:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.10:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.11:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.12:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.14:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.15:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.16:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.17:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.18:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.19:*:*:*:*:*:*:*

cpe:2.3:o:google:chrome_os:26.0.1410.20:*:*:*:*:*:*:*

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References

Advisories & patches

REF http://git.chromium.org/gitweb/?p=chromiumos/overlays/chromiumos-overlay.git%3Ba=commit%3Bh=9181705680e1f53fd1e895ebe84c1b7f18c5c380 REF http://googlechromereleases.blogspot.com/2013/04/stable-channel-update-for-chrome-os.html REF https://code.google.com/p/chromium/issues/detail?id=227158

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