CVE-2021-20385Network attack vector

Authenticated arbitrary command execution via crafted request

Published May 24, 2021 · Updated Sep 16, 2024

Arbitrary command execution in IBM Security Guardium 11.2 allows remote authenticated users to run system commands via a crafted request. IBM has not disclosed the request endpoint, parameter, or server-side operation that incorporates attacker-controlled input into a command. High-privilege access and user interaction are required; successful exploitation executes commands with cross-scope system impact.

CVSS severity8.4
High
EPSS probability2.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary command execution in IBM Security Guardium 11.2 allows remote authenticated users to run system commands via a crafted request. IBM has not disclosed the request endpoint, parameter, or server-side operation that incorporates attacker-controlled input into a command. High-privilege access and user interaction are required; successful exploitation executes commands with cross-scope system impact.

The record

CVE
CVE-2021-20385
Published
May 24, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Security Guardium
Classifications
T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 24, 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=11.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Security Guardiumversion=11.2

Published CVSS scores

9.0NIST NVDAV:N/AC:L/Au:S/C:C/I:C/A:C
8.4IBM CorporationCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1059Command and Scripting Interpreter

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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