HOMEVULNERABILITIESCVE-2023-48658
CRITICAL

CVE-2023-48658

NVD-CWE-noinfoPublished: November 17, 2023· Updated: Jun 23, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered in MISP before 2.4.176. app/Model/AppModel.php lacks a checkParam function for alphanumerics, underscore, dash, period, and space.

NVD Source

Risk Analysis

MISP versions before 2.4.176 lack necessary input validation for specific characters in the application model. This critical vulnerability could allow for malicious input to be processed incorrectly by the system.

There is no known public exploit for this vulnerability, and it is not listed in the KEV catalog. It is remotely exploitable.

Recommended Action

Upgrade to MISP version 2.4.176 or later to ensure proper input validation is implemented.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-48658 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

misp-project1 product(s)
misp
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2023-48658
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedNov 17, 2023

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-48658 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.