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CVE-2021-21290: netty before 4.1.59 (exclusive), < 4.1.59.Final; +12 more affected products
CVE-2021-21290. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.01777 (percentile 0.77548), scored 2026-10-08.
Affected technology
netty · before 4.1.59 (exclusive)
netty
debian linux · 9.0
debian
debian linux · 10.0
debian
quarkus · through 1.13.7 (inclusive)
quarkus
banking corporate lending process management · 14.2.0
oracle
banking corporate lending process management · 14.3.0
oracle
banking corporate lending process management · 14.5.0
oracle
banking credit facilities process management · 14.2.0
oracle
banking credit facilities process management · 14.3.0
oracle
banking credit facilities process management · 14.5.0
oracle
banking trade finance process management · 14.2.0
oracle
banking trade finance process management · 14.3.0
oracle
banking trade finance process management · 14.5.0
oracle
communications brm - elastic charging engine · 12.0.0.3
oracle
communications design studio · 7.4.2
oracle
communications messaging server · 8.1
oracle
nosql database · before 20.3 (exclusive)
oracle
active iq unified manager · Version not applicable in the source CPE
netapp
cloud secure agent · Version not applicable in the source CPE
netapp
snapcenter · Version not applicable in the source CPE
netapp
netty · < 4.1.59.Final
netty
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could access information they should not be able to access under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 6.2/10) rates confidentiality impact as high; integrity and availability impact as none. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-378, CWE-379, CWE-668
- CCR priority
- 22.4 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · NVD
- EPSS
- 0.01777 · percentile 0.77548 · 2026-10-08
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-21290.html