VDB-253261 · CVE-2023-40265 · GCVE-0-2023-40265

Atos Unify OpenScape Xpressions WebAssistant prior V7R1 FR5 HF42 P911 unrestricted upload

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Atos Unify OpenScape Xpressions WebAssistant. This affects an unknown function. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2023-40265. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Atos Unify OpenScape Xpressions WebAssistant. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Atos Unify OpenScape Xpressions WebAssistant V7 before V7R1 FR5 HF42 P911. It allows authenticated remote code execution via file upload.

The weakness was released 02/09/2024. The advisory is shared at networks.unify.com. This vulnerability is known as CVE-2023-40265 since 08/11/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

Upgrading to version V7R1 FR5 HF42 P911 eliminates this vulnerability.

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Productinfo

Vendor

Atos Unify

Name

OpenScape Xpressions WebAssistant

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: OpenScape Xpressions WebAssistant V7R1 FR5 HF42 P911

Timelineinfo

08/11/2023 🔍
02/09/2024 +182 days 🔍
02/09/2024 +0 days 🔍
03/02/2024 +22 days 🔍

Sourcesinfo

Advisory: networks.unify.com
Status: Confirmed

CVE: CVE-2023-40265 (🔍)
GCVE (CVE): GCVE-0-2023-40265
GCVE (VulDB): GCVE-100-253261

Entryinfo

Created: 02/09/2024 03:53
Updated: 03/02/2024 16:14
Changes: 02/09/2024 03:53 (37), 03/02/2024 16:14 (11)
Complete: 🔍
Cache ID: 216::103