CVE-2020-2539Network attack vector

Unauthenticated reading and modification of accessible data

Published Jan 15, 2020 · Updated Sep 30, 2024

An unspecified flaw in the Advanced UI of Oracle WebCenter Sites 12.2.1.3.0 allows remote attackers to read and modify accessible data via HTTP. Oracle has not published the affected request, code locus, or incorrect operation in the Advanced UI. Exploitation requires no authentication but does require interaction by another person, and its reported consequence is limited to reading or changing some data accessible to WebCenter Sites.

CVSS severity6.1
Medium
EPSS probability1.09%
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 the Advanced UI of Oracle WebCenter Sites 12.2.1.3.0 allows remote attackers to read and modify accessible data via HTTP. Oracle has not published the affected request, code locus, or incorrect operation in the Advanced UI. Exploitation requires no authentication but does require interaction by another person, and its reported consequence is limited to reading or changing some data accessible to WebCenter Sites.

The record

CVE
CVE-2020-2539
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle
Product
Oracle WebCenter Sites
Classifications
T1190
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?

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  1. Affected versionversion=12.2.1.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Oracle WebCenter Sitesversion=12.2.1.3.0

Published CVSS scores

6.1OracleCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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

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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