CVE-2020-2540Network attack vector

Unauthenticated data modification and partial service interruption

Published Jan 15, 2020 · Updated Sep 30, 2024

An unspecified flaw in Oracle Outside In Technology 8.5.4 allows remote attackers to modify data and partially interrupt service. Oracle identifies the Outside In Filters component but has not published the flawed operation or the input that triggers it. Exploitation is unauthenticated when a consuming application passes HTTP-received data directly to the SDK; consequences are limited to data changes and partial service interruption.

CVSS severity6.5
Medium
EPSS probability1.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An unspecified flaw in Oracle Outside In Technology 8.5.4 allows remote attackers to modify data and partially interrupt service. Oracle identifies the Outside In Filters component but has not published the flawed operation or the input that triggers it. Exploitation is unauthenticated when a consuming application passes HTTP-received data directly to the SDK; consequences are limited to data changes and partial service interruption.

The record

CVE
CVE-2020-2540
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle Outside In Technology
Classifications
T1499, T1565
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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=8.5.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Outside In Technologyversion=8.5.4

Published CVSS scores

6.5NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.5OracleCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.4NISTAV:N/AC:L/Au:N/C:N/I:P/A:P

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service
T1565Data Manipulation

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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