CVE-2023-27821Public exploitNetwork attack vector

Authenticated command execution via unsafe SpEL evaluation

Published Mar 28, 2023 · Updated Feb 18, 2025

Expression language injection in Databasir 1.0.7 allows remote authenticated users to execute arbitrary operating-system commands. SpelScriptEvaluator parses the unfiltered mockDataScript value with SpelExpressionParser under a permissive StandardEvaluationContext, then calls getValue on the resulting expression. Reachability requires SYS_OWNER, GROUP_OWNER, or GROUP_MEMBER authority for the targeted group, and successful exploitation runs commands with the Databasir server process's privileges.

CVSS severity9.8
Critical
EPSS probability1.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Expression language injection in Databasir 1.0.7 allows remote authenticated users to execute arbitrary operating-system commands. SpelScriptEvaluator parses the unfiltered mockDataScript value with SpelExpressionParser under a permissive StandardEvaluationContext, then calls getValue on the resulting expression. Reachability requires SYS_OWNER, GROUP_OWNER, or GROUP_MEMBER authority for the targeted group, and successful exploitation runs commands with the Databasir server process's privileges.

The record

CVE
CVE-2023-27821
Published
Mar 28, 2023
Updated
Feb 18, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-917, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2025Record 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/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.

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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 exploitPublished

Weakness, pattern, technique

CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
T1059Command and Scripting Interpreter

Public exploit references

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Technologies

Your stack

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Your stack

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