VDB-198941 · CVE-2021-27417 · icsa-21-119-04

eCosCentric eCosPro RTOS up to 4.5.3 integer overflow

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in eCosCentric eCosPro RTOS up to 4.5.3. The affected element is an unknown function. The manipulation leads to integer overflow. This vulnerability is documented as CVE-2021-27417. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in eCosCentric eCosPro RTOS up to 4.5.3 and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/04/2022 as icsa-21-119-04. The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2021-27417 since 02/19/2021. Neither technical details nor an exploit are publicly available.

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

eCosCentric

Name

eCosPro RTOS

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.1
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.6
CNA Vector (ICS-CERT): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

02/19/2021 🔍
05/04/2022 +438 days 🔍
05/04/2022 +0 days 🔍
05/07/2022 +3 days 🔍

Sourcesinfo

Advisory: icsa-21-119-04
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-27417 (🔍)
GCVE (CVE): GCVE-0-2021-27417
GCVE (VulDB): GCVE-100-198941

Entryinfo

Created: 05/04/2022 06:36
Updated: 05/07/2022 07:32
Changes: 05/04/2022 06:36 (48), 05/07/2022 07:32 (1)
Complete: 🔍
Cache ID: 216::103