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P5Verified

CVE-2021-27645: glibc from 2.29 (inclusive), through 2.33 (inclusive); +6 more affected products

CVE-2021-27645. CVSS 3.1 base score 2.5 (LOW, NVD). EPSS 0.00374 (percentile 0.29534), scored 13-Oct-2026.

Affected technology

glibc · from 2.29 (inclusive), through 2.33 (inclusive)
gnu

fedora · 33
fedoraproject

fedora · 34
fedoraproject

debian linux · 10.0
debian

n/a · n/a
Vendor not specified by the source

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Description’s affected range: through 2.33

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. NVD’s CVSS 3.1 assessment (base score 2.5/10) rates confidentiality and integrity impact as none; availability impact as low. Source advisory’s CVSS 3.1 assessment (base score 2.5/10) rates confidentiality and integrity impact as none; availability impact as low.

Published

CWE
CWE-415
CCR priority
10.1 /100 (P5)
CVSS 3.1
2.5 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L · NVD
EPSS
0.00374 · percentile 0.29534 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2021-27645.html