SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-7153

The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party…

MEDIUM 5.3EPSS 14.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.

CVSS 3.0
5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
13.98% probability · 96th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/edge · microsoft/internet explorer · google/chrome · apple/safari · opera/opera browser · mozilla/firefox
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.