How severe is CVE-2021-33315?

This vulnerability has a severity rating of CRITICAL with a CVSS score of 9.8 out of 10.

What type of vulnerability is CVE-2021-33315?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2021-33315

CRITICAL Year: 2021

CVSS v3 Score

9.8

Critical

CVSS v2 Score

7.5

High

Weakness Type

CWE-20

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Vulnerability Description

The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from an integer underflow vulnerability. This vulnerability exists in its lldp related component. Due to lack of proper validation on length field of PortID TLV, by sending a crafted lldp packet to the device, integer underflow would occur and the negative number will be passed to memcpy() later, which may cause buffer overflow or invalid memory access.

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CRITICAL

CVSS:9.8(Critical)

Varnish 2.0.6 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite ...

CWE-202009

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CVSS:9.8(Critical)

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CRITICAL

CVSS:9.8(Critical)

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CWE-202010