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CVE-2021-22945: libcurl from 7.73.0 (inclusive), through 7.78.0 (inclusive); +20 more affected products
CVE-2021-22945. CVSS 3.1 base score 9.1 (CRITICAL, NVD). EPSS 0.06677 (percentile 0.93762), scored 13-Oct-2026.
Affected technology
libcurl · from 7.73.0 (inclusive), through 7.78.0 (inclusive)
haxx
fedora · 33
fedoraproject
fedora · 35
fedoraproject
cloud backup · Version not applicable in the source CPE
netapp
clustered data ontap · Version not applicable in the source CPE
netapp
mysql server · from 5.7.0 (inclusive), through 5.7.35 (inclusive)
oracle
mysql server · from 8.0.0 (inclusive), through 8.0.26 (inclusive)
oracle
h300s firmware · Version not applicable in the source CPE
netapp
h500s firmware · Version not applicable in the source CPE
netapp
h700s firmware · Version not applicable in the source CPE
netapp
h300e firmware · Version not applicable in the source CPE
netapp
h500e firmware · Version not applicable in the source CPE
netapp
h700e firmware · Version not applicable in the source CPE
netapp
h410s firmware · Version not applicable in the source CPE
netapp
solidfire baseboard management controller firmware · Version not applicable in the source CPE
netapp
macos · from 12.0.0 (inclusive), before 12.3 (exclusive)
apple
sinec ins · before 1.0.1.1 (exclusive)
siemens
debian linux · 11.0
debian
universal forwarder · from 8.2.0 (inclusive), before 8.2.12 (exclusive)
splunk
universal forwarder · from 9.0.0 (inclusive), before 9.0.6 (exclusive)
splunk
universal forwarder · 9.1.0
splunk
https://github.com/curl/curl · curl 7.73.0 to and including 7.78.0
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
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and availability impact as high; integrity impact as none. Source advisory’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-415
- CCR priority
- 38.1 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · NVD
- EPSS
- 0.06677 · percentile 0.93762 · 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-2021-22945.html