CVE-2020-5023Network attack vector

Unauthenticated service crash via parameter fuzzing

Published Feb 10, 2021 · Updated Sep 16, 2024

Resource exhaustion in IBM Spectrum Protect Plus 10.1.0 through 10.1.7 allows remote attackers to crash the service with arbitrary data. IBM identifies arbitrary-data injection and parameter fuzzing as the trigger but has not disclosed the affected endpoint or parser. No authentication or user interaction is required, and successful exploitation interrupts service availability without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability2.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in IBM Spectrum Protect Plus 10.1.0 through 10.1.7 allows remote attackers to crash the service with arbitrary data. IBM identifies arbitrary-data injection and parameter fuzzing as the trigger but has not disclosed the affected endpoint or parser. No authentication or user interaction is required, and successful exploitation interrupts service availability without reported data disclosure or modification.

The record

CVE
CVE-2020-5023
Published
Feb 10, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Spectrum Protect Plus
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 10, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 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=10.1.0
  2. Affected versionversion=10.1.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Spectrum Protect Plusversion=10.1.0; version=10.1.7

Published CVSS scores

6.5IBMCVSS:3.0/PR:N/I:N/C:N/A:H/AC:L/UI:N/S:U/AV:N/RC:C/RL:O/E:U
7.5IBMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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 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

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

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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