VDB-214238 · CVE-2020-23591 · GCVE-0-2020-23591

Optilink OP-XT71000N /mgm_dev_upgrade.asp denial of service

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Optilink OP-XT71000N. This affects an unknown part of the file /mgm_dev_upgrade.asp. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2020-23591. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Optilink OP-XT71000N (the affected version unknown). Affected by this issue is an unknown part of the file /mgm_dev_upgrade.asp. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is integrity, and availability. CVE summarizes:

A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through " /mgm_dev_upgrade.asp " which can "delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.

The weakness was presented 11/23/2022. The advisory is available at github.com. This vulnerability is handled as CVE-2020-23591 since 08/13/2020. Technical details are known, but there is no available exploit.

By approaching the search of inurl:mgm_dev_upgrade.asp it is possible to find vulnerable targets with Google Hacking.

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

Optilink

Name

OP-XT71000N

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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

08/13/2020 🔍
11/23/2022 +832 days 🔍
11/23/2022 +0 days 🔍
04/30/2025 +889 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-23591 (🔍)
GCVE (CVE): GCVE-0-2020-23591
GCVE (VulDB): GCVE-100-214238

Entryinfo

Created: 11/23/2022 12:40
Updated: 04/30/2025 05:07
Changes: 11/23/2022 12:40 (37), 12/22/2022 12:54 (11), 04/30/2025 05:07 (16)
Complete: 🔍
Cache ID: 216::103