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CVE-2021-28861: python from 3.0.0 (inclusive), before 3.7.14 (exclusive), from 3.8.0 (inclusive), before 3.8.14 (exclusive), from…
CVE-2021-28861. CVSS 3.1 base score 7.4 (HIGH, NVD). EPSS 0.02535 (percentile 0.84546), scored 13-Oct-2026.
Affected technology
python · from 3.0.0 (inclusive), before 3.7.14 (exclusive)
python
python · from 3.8.0 (inclusive), before 3.8.14 (exclusive)
python
python · from 3.9.0 (inclusive), before 3.9.14 (exclusive)
python
python · from 3.10.0 (inclusive), before 3.10.6 (exclusive)
python
python · 3.11.0 · update alpha1
python
python · 3.11.0 · update alpha2
python
python · 3.11.0 · update alpha3
python
python · 3.11.0 · update alpha4
python
python · 3.11.0 · update alpha5
python
python · 3.11.0 · update alpha6
python
python · 3.11.0 · update alpha7
python
python · 3.11.0 · update beta1
python
python · 3.11.0 · update beta2
python
python · 3.11.0 · update beta3
python
fedora · 35
fedoraproject
fedora · 36
fedoraproject
fedora · 37
fedoraproject
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 3.10
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 7.4/10) rates confidentiality impact as high; integrity and availability impact as none. Source advisory’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-601
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.4 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N · NVD
- EPSS
- 0.02535 · percentile 0.84546 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-28861.html