CVE-2020-2553

mediumpriority · track · 19EPSS 0.010 · 62 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 5.8 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Vulnerability in the Oracle Knowledge product of Oracle Knowledge (component: Information Manager Console). Supported versions that are affected are 8.6.0-8.6.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Knowledge. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Knowledge accessible data as well as unauthorized read access to a subset of Oracle Knowledge accessible data. CVSS 3.0 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

cvss

Technical severity, 0–10. One row per scoring source.

5.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.14.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 2.5

v3.04.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.04.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · secalert_us@oracle.com USexploitability 2.2 · impact 2.5

v3.14.8mediumAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264US

affected products (3)

Products and version ranges known to be affected.

Oracle Corporation Knowledge≤ 8.6.0-8.6.3enisa_euvdEU
Oracle Corp. Oracle Knowledge8.6.0 → 8.6.3fstec_bduRU
oracle knowledge8.6.0 → 8.6.3nvdUScpe:2.3:a:oracle:knowledge:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-04-15modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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