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CVE-2016-2845

21
FAUCET Score

CVE-2016-2845 describes a vulnerability in the Content Security Policy (CSP) implementation within Blink, affecting Google Chrome versions prior to 49.0.2623.75. This flaw allows remote attackers to gather sensitive information about visited web pages by manipulating ServiceWorker fetches and reading CSP violation reports. Rated as Medium severity (CVSS 5.3), it has a low impact on confidentiality and requires no user interaction or privileges to exploit. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 48.0.2564.116CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 71st percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:49.0.2623.75-1.el6
View patch

Vendor Advisories (1)

redhatCVE-2016-2845Moderate

chromium-browser: CSP implementation in Blink does not ignore a URL's path component in the case of a ServiceWorker fetch

Nov 22, 2015

References

googlechromereleases.blogspot.com / 2016/03/stable-channel-update.html
homakov.blogspot.com / 2014/01/using-content-security-policy-for-evil.html
bugs.chromium.org / p/chromium/issues/detail
code.google.com / p/chromium/issues/detail
codereview.chromium.org / 1454003003
securityfocus.com / bid/84168
securitytracker.com / id/1035185
ubuntu.com / usn/USN-2920-1