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PatchSiren cyber security CVE debrief

CVE-2023-5637 ArslanSoft CVE debrief

CVE-2023-5637 is a high-severity file-upload flaw in Arslansoft Education Portal affecting versions before v1.1. According to the NVD record, the issue is network-exploitable without authentication and can disclose sensitive information, with no impact listed for integrity or availability.

Vendor
ArslanSoft
Product
Education Portal
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2023-12-01
Original CVE updated
2026-05-20
Advisory published
2023-12-01
Advisory updated
2026-05-20

Who should care

Administrators and developers responsible for Arslansoft Education Portal deployments, especially any environment exposing file-upload features or handling user-supplied files before v1.1.

Technical summary

The NVD entry describes an unrestricted upload of a dangerous file type in Arslansoft Education Portal before v1.1. The recorded CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating an unauthenticated network attack surface with high confidentiality impact. The supplied advisory data also maps the weakness to CWE-434 and lists third-party USOM references for the issue.

Defensive priority

High. The vulnerability is network reachable, requires no privileges or user interaction, and is scored 7.5 with high confidentiality impact.

Recommended defensive actions

  • Upgrade Arslansoft Education Portal to v1.1 or later, which is outside the affected version range in the NVD record.
  • Review any file-upload endpoints and enforce strict server-side allowlists for permitted file types and content.
  • Validate uploaded files by content and metadata, not only by extension or client-supplied MIME type.
  • Restrict execution or direct serving of uploaded files wherever possible.
  • Check logs and stored uploads for unexpected file types or exposures of sensitive strings, and rotate any secrets that may have been embedded in accessible binaries or configuration artifacts.

Evidence notes

The CVE was published on 2023-12-01 and later modified on 2026-05-20 in the supplied NVD source item. The NVD CPE criteria mark Arslansoft Education Portal versions before 1.1 as vulnerable. The supplied references include the official CVE record, the NVD detail page, and USOM third-party advisory links.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-5637 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-5637

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-5637 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-5637

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.