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CWE-665

Improper Initialization

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

352
Assigned CVEs
100th
Commonality Rank
6.4
Avg CVSS
0.9%
In CISA KEV

Volume and Severity of Assigned CVEs Over Time

Volume of CVEs assigned to CWE-665 and their average CVSS base score over time.

Volume of CVEsAvg CVSS Base Score
First CVE
Dec 13, 1999
26 years ago
Most Recent CVE
Jul 16, 2026
8 days ago

Top CVEs Assigned This CWE

Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.

352 CVEs · Highest risk first

CVEPublishedCVSSRiskKEVExploit
CVE-2022-0847HIGH
A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux ker
Mar 10, 20227.898YESYES
CVE-2022-22719HIGH
A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache HTTP Server 2.4.52 and earlier.
Mar 14, 20227.565NONO
CVE-2020-27950MEDIUM
A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Upd
Dec 8, 20205.565YESNO
CVE-2013-1675MEDIUM
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the ns
May 16, 20136.561YESNO
CVE-2020-28019HIGH
Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mish
May 6, 20217.556NONO
CVE-2022-46164CRITICAL
NodeBB is an open source Node.js based forum software. Due to a plain object with a prototype being used in socket.io message handling a specially crafted payload can be used to im
Dec 5, 20229.850NONO
CVE-2023-1719CRITICAL
Global variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote attackers to (1) enumerate attachments on the server and (2) execute
Nov 1, 20239.841NOYES
CVE-2019-14271CRITICAL
In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the nsswitch facility dynamically loads a library inside a chroot that
Jul 29, 20199.841NONO
CVE-2001-1471HIGH
prefs.php in phpBB 1.4.0 and earlier allows remote authenticated users to execute arbitrary PHP code via an invalid language value, which prevents the variables (1) $l_statsblock i
Jul 31, 20018.841NOYES
CVE-2018-6947HIGH
An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged us
Feb 28, 20187.837NOYES
View all 352 CVEs →

CVE Severity & Scoring

This CWEGlobal (All CVEs)
0.0-0.9
1.0-1.9
2.0-2.9
3.0-3.9
11%
10%
4.0-4.9
26%
19%
5.0-5.9
12%
16%
6.0-6.9
33%
26%
7.0-7.9
11%
8.0-8.9
14%
9.0-10.0
unknown
CVSS Score Range

Exploit Exposure

Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.

CISA KEV
3 CVEs
0.9% of CVEs· 90th percentile
Metasploit
1 CVE
0.3% of CVEs· 81st percentile
Nuclei
2 CVEs
0.6% of CVEs· 81st percentile
ExploitDB
9 CVEs
2.6% of CVEs· 90th percentile

Social Chatter

Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.

Media Mentions

Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.

Top Affected Vendors

Top Affected Products