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CVE-2020-8840: jackson-databind from 2.0.0 (inclusive), before 2.7.9.7 (exclusive), from 2.8.0 (inclusive), before 2.8.11.5…
CVE-2020-8840. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.26587 (percentile 0.97974), scored 2026-10-08.
Affected technology
jackson-databind · from 2.0.0 (inclusive), before 2.7.9.7 (exclusive)
fasterxml
jackson-databind · from 2.8.0 (inclusive), before 2.8.11.5 (exclusive)
fasterxml
jackson-databind · from 2.9.0 (inclusive), before 2.9.10.3 (exclusive)
fasterxml
debian linux · 8.0
debian
oncommand api services · Version not applicable in the source CPE
netapp
oncommand workflow automation · Version not applicable in the source CPE
netapp
service level manager · Version not applicable in the source CPE
netapp
steelstore cloud integrated storage · Version not applicable in the source CPE
netapp
oceanstor 9000 firmware · v300r006c20
huawei
oceanstor 9000 firmware · v300r006c20spc100
huawei
oceanstor 9000 firmware · v300r006c20spc200
huawei
oceanstor 9000 firmware · v300r006c20spc300
huawei
global lifecycle management opatch · before 11.2.0.3.23 (exclusive)
oracle
global lifecycle management opatch · from 12.2.0.1.0 (inclusive), before 12.2.0.1.19 (exclusive)
oracle
global lifecycle management opatch · from 13.9.4.0.0 (inclusive), before 13.9.4.2.1 (exclusive)
oracle
n/a · n/a
Vendor not specified by the source
Description’s affected range: through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking
Component: Not specified by the source
Attack conditions (NVD, 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 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-502
- CCR priority
- 45.8 /100 (P3)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.26587 · percentile 0.97974 · 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-2020-8840.html