CVE-2020-2530Network attack vector

Unauthorized data access via Web Listener

Published Jan 15, 2020 · Updated Sep 30, 2024

An unspecified Web Listener flaw in Oracle HTTP Server 11.1.1.9.0, 12.1.3.0.0 and 12.2.1.3.0 allows remote attackers to access data via HTTP. The vulnerable operation in the Web Listener has not been publicly disclosed, so the precise handling error cannot be named. Exploitation requires no attacker authentication but does require interaction by another person; successful attacks can read some accessible data and modify or delete other data.

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 Web Listener flaw in Oracle HTTP Server 11.1.1.9.0, 12.1.3.0.0 and 12.2.1.3.0 allows remote attackers to access data via HTTP. The vulnerable operation in the Web Listener has not been publicly disclosed, so the precise handling error cannot be named. Exploitation requires no attacker authentication but does require interaction by another person; successful attacks can read some accessible data and modify or delete other data.

The record

CVE
CVE-2020-2530
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle HTTP Server
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?

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

  1. Affected versionversion=11.1.1.9.0
  2. Affected versionversion=12.1.3.0.0
  3. Affected versionversion=12.2.1.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle HTTP Serverversion=11.1.1.9.0; version=12.1.3.0.0; version=12.2.1.3.0

Published CVSS scores

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

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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