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cve[email protected]CVE-2021-26937
HistoryFeb 09, 2021 - 8:15 p.m.

CVE-2021-26937

2021-02-0920:15:14
CWE-88
[email protected]
web.nvd.nist.gov
475
7
cve-2021-26937
gnu screen
denial of service
vulnerability
nvd
utf-8
character sequence

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.015

Percentile

86.7%

JSON

encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.

Affected configurations

NVD
Node
gnuscreenRange≤4.8.0
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
VendorProductVersionCPE
gnuscreencpe:/a:gnu:screen::::

Social References

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CVE-2021-26937
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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.015

Percentile

86.7%

JSON
Related for CVE-2021-26937
osv5openvas19fedora2debian3nessus36mageia1centos1ubuntu2oraclelinux1suse1ubuntucve1cbl_mariner1alpinelinux1cvelist1redhatcve1cloudlinux1debiancve1redhat2amazon2prion1veracode1gentoo1nvd1rosalinux1