CVE-2023-32637Known exploitationNetwork attack vector

Remote code execution via unrestricted file upload

Published Jul 25, 2023 · Updated Oct 23, 2024

Unrestricted file upload in Generic Model Organism Database Project GBrowse allows remote attackers to execute code on the server. The upload feature accepts arbitrary file formats without validating file type and stores them in a location served by unauthenticated web requests. An unauthenticated user who can reach the feature can place server-executable content and invoke it over the web; observed attacks have been reported.

CVSS severity9.8
Critical
EPSS probability1.11%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Generic Model Organism Database Project GBrowse allows remote attackers to execute code on the server. The upload feature accepts arbitrary file formats without validating file type and stores them in a location served by unauthenticated web requests. An unauthenticated user who can reach the feature can place server-executable content and invoke it over the web; observed attacks have been reported.

The record

CVE
CVE-2023-32637
Published
Jul 25, 2023
Updated
Oct 23, 2024
Vendor
Generic Model Organism Database Project
Product
GBrowse
Classifications
CWE-434, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Generic Model Organism Database Project · GBrowseversion=unspecified

Published CVSS scores

5.0JPCERT/CCAV:N/AC:L/Au:N/C:N/I:P/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.3JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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