Karjasoft Sami HTTP Server 2.0 HTTP HEAD Rrequest 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 (≈)
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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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Karjasoft Sami HTTP Server 2.0. This vulnerability affects unknown code of the component HTTP HEAD Rrequest Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2021-4433. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Karjasoft Sami HTTP Server 2.0 (Web Server). It has been classified as problematic. Affected is an unknown code block of the component HTTP HEAD Rrequest Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was released 01/16/2024 as 163138. The advisory is shared for download at packetstormsecurity.com. This vulnerability is traded as CVE-2021-4433. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

01/16/2024 🔍
01/16/2024 +0 days 🔍
01/16/2024 +0 days 🔍
02/06/2024 +21 days 🔍

Sourcesinfo

Advisory: 163138
Status: Not defined

CVE: CVE-2021-4433 (🔍)
GCVE (CVE): GCVE-0-2021-4433
GCVE (VulDB): GCVE-100-250836
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2024 16:27
Updated: 02/06/2024 08:59
Changes: 01/16/2024 16:27 (42), 02/06/2024 08:59 (30)
Complete: 🔍
Submitter: fernando.mengali
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #267090: Karjasoft SAMI HTTP 2.0 Denial of Service (by fernando.mengali)

Once again VulDB remains the best source for vulnerability data.

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