VDB-245709 · CVE-2023-39547 · GCVE-0-2023-39547

NEC CLUSTERPRO X/EXPRESSCLUSTER X authentication replay

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in NEC CLUSTERPRO X and EXPRESSCLUSTER X. This affects an unknown part. Performing a manipulation results in authentication replay. This vulnerability is cataloged as CVE-2023-39547. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in NEC CLUSTERPRO X and EXPRESSCLUSTER X (affected version not known). This affects some unknown functionality. The manipulation with an unknown input leads to a authentication replay vulnerability. CWE is classifying the issue as CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CLUSTERPRO X Ver5.1 and earlier and EXPRESSCLUSTER X 5.1 and earlier, CLUSTERPRO X SingleServerSafe 5.0 and earlier, EXPRESSCLUSTER X SingleServerSafe 5.0 and earlier allows a attacker to log in to the product may execute an arbitrary command.

The weakness was shared 11/17/2023. The advisory is shared at jpn.nec.com. This vulnerability is uniquely identified as CVE-2023-39547 since 08/04/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1040 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
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: Authentication replay
CWE: CWE-294 / CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/04/2023 🔍
11/17/2023 +105 days 🔍
11/17/2023 +0 days 🔍
12/14/2023 +27 days 🔍

Sourcesinfo

Advisory: jpn.nec.com
Status: Confirmed

CVE: CVE-2023-39547 (🔍)
GCVE (CVE): GCVE-0-2023-39547
GCVE (VulDB): GCVE-100-245709

Entryinfo

Created: 11/17/2023 07:40
Updated: 12/14/2023 08:29
Changes: 11/17/2023 07:40 (35), 11/17/2023 07:42 (1), 12/14/2023 08:29 (11)
Complete: 🔍
Cache ID: 216::103