CVE-2020-11554Network attack vector

Sensitive information disclosure via exposed info.php4

Published Apr 9, 2020 · Updated Aug 4, 2024

Information disclosure in Castle Rock SNMPc Online 12.10.10 before 2020-01-28 allows remote attackers to read sensitive data via info.php4. The public record identifies the exposed info.php4 endpoint but does not disclose which data it returns or why the endpoint serves that data without authorization. No authentication or user interaction is required; the demonstrated consequence is limited to disclosure from the web endpoint.

CVSS severity7.5
High
EPSS probability1.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Castle Rock SNMPc Online 12.10.10 before 2020-01-28 allows remote attackers to read sensitive data via info.php4. The public record identifies the exposed info.php4 endpoint but does not disclose which data it returns or why the endpoint serves that data without authorization. No authentication or user interaction is required; the demonstrated consequence is limited to disclosure from the web endpoint.

The record

CVE
CVE-2020-11554
Published
Apr 9, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 9, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/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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