Lanner IAC-AST2500A 1.10.0 TLS Certificate denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Lanner IAC-AST2500A 1.10.0. The impacted element is an unknown function of the component TLS Certificate Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-44769. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Lanner IAC-AST2500A 1.10.0. This vulnerability affects some unknown functionality of the component TLS Certificate Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

The weakness was disclosed 10/24/2022. This vulnerability was named CVE-2021-44769 since 05/13/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.9
CNA Vector (Nozomi Networks Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/13/2022 🔍
10/24/2022 +164 days 🔍
10/24/2022 +0 days 🔍
11/19/2022 +26 days 🔍

Sourcesinfo

Advisory: nozominetworks.com
Status: Not defined

CVE: CVE-2021-44769 (🔍)
GCVE (CVE): GCVE-0-2021-44769
GCVE (VulDB): GCVE-100-212032

Entryinfo

Created: 10/24/2022 21:23
Updated: 11/19/2022 15:40
Changes: 10/24/2022 21:23 (56), 11/19/2022 15:40 (1)
Complete: 🔍
Cache ID: 216::103

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