Symphony
CVE-2024-23049
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component. Affected products include: B3Log Symphony.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers
Remote Code Execution vulnerability in symphony/content/content.blueprintsdatasources.php in Symphony CMS through 2.6.11
b3log Symphony (aka Sym) 2.6.0 allows remote attackers to upload and execute arbitrary JSP files via the name[] paramete
A XML External Entity (XXE) vulnerability was discovered in symphony\lib\toolkit\class.xmlelement.php in Symphony 2.7.10
Cross-site request forgery (CSRF) vulnerability in Symphony CMS before 2.3.2 allows remote attackers to hijack the authe
SQL injection vulnerability in Symphony CMS before 2.3.2 allows remote authenticated users to execute arbitrary SQL comm
Multiple cross-site scripting (XSS) vulnerabilities in content/content.systempreferences.php in Symphony CMS before 2.6.
b3log Symphony (aka Sym) 2.2.0 does not properly address XSS in JSON objects, as demonstrated by a crafted userAvatarURL
Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.6.3 allow remote attackers to inject arbitrary web
b3log Symphony (aka Sym) 2.2.0 allows an XSS attack by sending a private letter with a certain /article URI, and a secon
content/content.blueprintsevents.php in Symphony CMS 3.0.0 allows XSS via fields['name'] to appendSubheading. Rated medi
b3log Symphony (aka Sym) before 3.6.0 has XSS via the HTTP User-Agent header. Rated medium severity (CVSS 6.1), this vul
Exploit-DB