Lucene search

[email protected]NVD:CVE-2021-34586

HistoryOct 26, 2021 - 10:15 a.m.

CVE-2021-34586

2021-10-2610:15:07

CWE-476

[email protected]

web.nvd.nist.gov

crafted requests

null pointer

denial of service

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

48.7%

JSON

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.

Affected configurations

Nvd

Node

codesyscodesysRange<1.1.9.22

VendorProductVersionCPE
codesyscodesys*cpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
codesys	codesys	*	cpe:2.3:a:codesys:codesys::::::::

References

customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=

www.tenable.com/security/research/tra-2021-47

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

48.7%

JSON

Related for NVD:CVE-2021-34586

cvelist1 cve1 prion1