CVE-2023-3578
Published: 10 July 2023
Summary
CVE-2023-3578 is a medium-severity SSRF (CWE-918) vulnerability in Dedecms Dedecms. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 0.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A vulnerability classified as critical exists in DedeCMS version 5.7.109 within an unknown function of the file co_do.php. Manipulation of the rssurl argument triggers server-side request forgery, corresponding to CWE-918. The issue carries a CVSS 3.1 score of 5.5 reflecting an adjacent-network vector, low attack complexity, and low privileges required.
An authenticated attacker on the local network can supply a crafted rssurl value to coerce the server into issuing arbitrary requests, resulting in limited impacts to confidentiality, integrity, and availability. Public exploit code for this flaw has been released.
The associated EPSS score stands at 0.8124 with no indicated rise from a lower baseline. References point to a GitHub repository containing technical details of the SSRF vector and to Vuldb entries that catalog the issue.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-44228
Vulnerability details
A vulnerability classified as critical was found in DedeCMS 5.7.109. Affected by this vulnerability is an unknown functionality of the file co_do.php. The manipulation of the argument rssurl leads to server-side request forgery. The exploit has been disclosed to the…
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public and may be used. The associated identifier of this vulnerability is VDB-233371.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.