ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-48997

Multer is a node.js middleware for handling .

Published Jun 3, 2025 · catalog updated Jun 3, 2025 · Multer is a node.js

Check if you run it

No confirmed exploitation is on record for CVE-2025-48997. EPSS is 0.44%. Act only if a listed version of Multer is a node.js is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Multer is a node.js).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Version ranges on file
Affected products
vendor expressjs multer 1.4.4-lts.1, < 2.0.1

Multer is a node.js middleware for handling . A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to to receive a patch. No known workarounds are available.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor expressjs multer 1.4.4-lts.1, < 2.0.11.4.4-lts.1, < 2.0.1

How to fix CVE-2025-48997

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-48997. EPSS is 0.44%. Act only if a listed version of Multer is a node.js is installed.

Which versions are affected?

Compare what you have installed with expressjs multer 1.4.4-lts.1, < 2.0.1 1.4.4-lts.1, < 2.0.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 3, 2025 · EUVD

    Detected

    Multer is a node.js middleware for handling . A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to to receive a patch. No known workarou

  2. Jun 3, 2025 · EUVD

    Updated

    Multer is a node.js middleware for handling . A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to to receive a patch. No known workarou

Sources

  • CVE.orgVulnerability recordCVE-2025-48997

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-48997

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-16780

    Multer is a node.js middleware for handling . A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.