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CVE-2020-27618

Published: Feb 26, 2021Updated: Jun 9, 2025 Sources: CVE List NVD BDU csafCWE-835
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.9%
Top 45.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-835

Affected Products

glibcgnuOSS Libraries
ontap select deploy administration utilitynetappHardware Firmware
a250 firmwarenetappHardware Firmware
500f firmwarenetappHardware Firmware
h410c firmwarenetappHardware Firmware
gnuoss-projectUSOSS Librariesaka g. nu
netappcommercialUSHardware Firmware
and 17 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
lists.debian.org
https://security.gentoo.org/glsa/202107-07
security.gentoo.org
https://security.netapp.com/advisory/ntap-20210401-0006/
security.netapp.com
and 28 more references View all →

Timeline

Published
Feb 26, 2021
Last Updated
Jun 9, 2025

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