squid-cache squid CVE-2021-28116 vulnerability in Squid Cache and Other Products
Published on March 9, 2021

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Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.

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Vulnerability Analysis

CVE-2021-28116 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Products Associated with CVE-2021-28116

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-28116 are published in these products:

Squid Cache Squid
 
Fedora Project Fedora
 
Debian Linux
 

Exploit Probability

EPSS
7.04%
Percentile
91.35%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.