CVE-2021-24827Public exploitNetwork attack vector

Unauthenticated SQL injection via topic subscription parameter

Published Nov 8, 2021 · Updated Aug 3, 2024

SQL injection in Asgaros Forum before 1.15.13 allows remote attackers to alter database queries through a topic-subscription request. The topic-subscription handler passes the subscribe_topic query parameter into a SQL statement without validation or escaping. No account is required; crafted input can read or modify database data or delay query execution.

CVSS severity9.8
Critical
EPSS probability12.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Asgaros Forum before 1.15.13 allows remote attackers to alter database queries through a topic-subscription request. The topic-subscription handler passes the subscribe_topic query parameter into a SQL statement without validation or escaping. No account is required; crafted input can read or modify database data or delay query execution.

The record

CVE
CVE-2021-24827
Published
Nov 8, 2021
Updated
Aug 3, 2024
Vendor
Asgaros
Product
Asgaros Forum
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 8, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=1.15.13 <1.15.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Asgaros · Asgaros Forumversion=1.15.13 <1.15.13

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NIST NVDCVSS: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.

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 exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

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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