CVE-2020-2955Network attack vector

Unauthorized data modification and partial service interruption

Published Apr 15, 2020 · Updated Sep 27, 2024

Access-control vulnerability in Oracle FLEXCUBE Core Banking 4.0 allows remote authenticated users to alter accessible data via HTTP. Oracle has not published the specific transaction-processing operation that mishandles untrusted input or enables the unauthorized actions. Exploitation requires low-level privileges and can disclose some data, modify records, or partially interrupt service.

CVSS severity6.3
Medium
EPSS probability0.90%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Access-control vulnerability in Oracle FLEXCUBE Core Banking 4.0 allows remote authenticated users to alter accessible data via HTTP. Oracle has not published the specific transaction-processing operation that mishandles untrusted input or enables the unauthorized actions. Exploitation requires low-level privileges and can disclose some data, modify records, or partially interrupt service.

The record

CVE
CVE-2020-2955
Published
Apr 15, 2020
Updated
Sep 27, 2024
Vendor
Oracle Corporation
Product
Oracle FLEXCUBE Core Banking
Classifications
T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 27, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle FLEXCUBE Core Bankingversion=4.0

Published CVSS scores

6.3Oracle CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
6.3NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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