CVE-2023-30798

HIGH EPSS 66.6%
Published Apr 21, 20233y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 21, 2023 3y ago
Last Modified Jun 17, 2026 1w ago

Description

There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
66.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 1

VendorProductVersionRange
encodestarlette* <0.25.0

References 3

  • github.com https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa
    Patch
  • github.com https://github.com/encode/starlette/security/advisories/GHSA-74m5-2c7w-9w3x
    MitigationVendor Advisory
  • vulncheck.com https://vulncheck.com/advisories/starlette-multipartparser-dos
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa
    Patch
  • vulncheck.com https://vulncheck.com/advisories/starlette-multipartparser-dos
    PatchThird Party Advisory