VDB-229617 · CVE-2023-33251 · EUVD-2023-37419

Akka HTTP up to 10.5.1 File Upload temp file

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Akka HTTP up to 10.5.1 and classified as problematic. This vulnerability affects unknown code of the component File Upload Handler. Performing a manipulation results in temp file. This vulnerability is reported as CVE-2023-33251. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Akka HTTP up to 10.5.1. This affects an unknown part of the component File Upload Handler. The manipulation with an unknown input leads to a temp file vulnerability. CWE is classifying the issue as CWE-377. Creating and using insecure temporary files can leave application and system data vulnerable to attack. This is going to have an impact on confidentiality. The summary by CVE is:

When Akka HTTP before 10.5.2 accepts file uploads via the FileUploadDirectives.fileUploadAll directive, the temporary file it creates has too weak permissions: it is readable by other users on Linux or UNIX, a similar issue to CVE-2022-41946.

The weakness was disclosed 05/22/2023. The advisory is shared at akka.io. This vulnerability is uniquely identified as CVE-2023-33251 since 05/21/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 10.5.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-37419). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Akka

Name

HTTP

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 4.7
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Temp file
CWE: CWE-377
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP 10.5.2

Timelineinfo

05/21/2023 🔍
05/22/2023 +1 days 🔍
05/22/2023 +0 days 🔍
01/03/2026 +957 days 🔍

Sourcesinfo

Advisory: akka.io
Status: Confirmed

CVE: CVE-2023-33251 (🔍)
GCVE (CVE): GCVE-0-2023-33251
GCVE (VulDB): GCVE-100-229617
EUVD: 🔍

Entryinfo

Created: 05/22/2023 07:03
Updated: 01/03/2026 22:42
Changes: 05/22/2023 07:03 (50), 06/15/2023 14:26 (11), 01/03/2026 22:42 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.