Executive Summary

Informations
Name CVE-2021-45105 First vendor Publication 2021-12-18
Vendor Cve Last vendor Modification 2022-10-06

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0, 2.12.3, and 2.3.1.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45105

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-674 Uncontrolled Recursion
50 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 90
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 2
Application 1
Application 1
Application 1
Application 3
Application 1
Application 1
Application 1
Application 1
Application 2
Application 1
Application 1
Application 2
Application 1
Application 1
Application 1
Application 1
Application 1
Application 2
Application 2
Application 9
Application 1
Application 1
Application 7
Application 1
Application 2
Application 1
Application 1
Application 4
Application 1
Application 1
Application 2
Application 1
Application 1
Application 6
Application 6
Application 3
Application 1
Application 2
Application 2
Application 1
Application 2
Application 2
Application 1
Application 24
Application 3
Application 19
Application 2
Application 3
Application 8
Application 1
Application 8
Application 1
Application 2
Application 2
Application 1
Application 1
Application 4
Application 6
Application 3
Application 1
Application 1
Application 2
Application 1
Application 3
Application 1
Application 5
Application 1
Application 2
Application 1
Application 24
Application 2
Application 2
Application 18
Application 18
Application 4
Application 1
Application 1
Application 2
Application 2
Application 6
Application 14
Application 32
Application 2
Application 2
Application 3
Application 1
Application 1
Application 3
Application 5
Application 1
Application 18
Application 6
Application 16
Application 5
Application 1
Application 13
Application 2
Application 2
Application 3
Application 4
Application 4
Application 2
Os 2

Sources (Detail)

Source Url
CERT-VN https://www.kb.cert.org/vuls/id/930724
CISCO https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
CONFIRM https://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-501673.pdf
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032
https://security.netapp.com/advisory/ntap-20211218-0001/
DEBIAN https://www.debian.org/security/2021/dsa-5024
MISC https://logging.apache.org/log4j/2.x/security.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.zerodayinitiative.com/advisories/ZDI-21-1541/
MLIST http://www.openwall.com/lists/oss-security/2021/12/19/1
N/A https://www.oracle.com/security-alerts/cpujul2022.html

Alert History

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Date Informations
2024-01-24 02:21:13
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2022-12-07 13:05:36
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2022-11-10 13:03:51
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2022-10-06 21:27:34
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2022-07-26 00:29:41
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2022-07-15 02:05:07
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2022-07-02 02:08:22
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2022-06-17 02:06:27
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2022-05-13 02:01:05
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2022-04-20 09:23:11
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2022-04-14 13:00:31
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2022-03-25 01:56:48
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2022-02-20 12:53:24
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2022-02-19 09:23:29
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2022-02-07 21:23:09
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2021-12-30 21:23:02
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2021-12-28 21:22:57
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2021-12-27 09:23:03
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2021-12-27 05:22:56
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2021-12-22 09:23:03
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2021-12-22 01:57:24
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2021-12-22 01:57:23
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2021-12-21 17:22:57
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2021-12-21 12:49:42
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2021-12-21 01:49:40
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2021-12-21 01:49:39
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2021-12-20 21:22:53
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2021-12-20 05:23:09
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2021-12-20 01:50:28
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2021-12-20 01:50:27
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2021-12-19 21:22:51
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2021-12-19 09:22:55
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2021-12-18 21:22:53
  • Multiple Updates
2021-12-18 17:22:49
  • First insertion