Cisco Open Source Snort 2 Snort Detection Engine access control

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.
7.3$25k-$100k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Cisco 1000 Series Integrated Services Router, 3000 Series Industrial Security Appliance, 4000 Series Integrated Services Router, Catalyst 8000V Edge Software, Catalyst 8200 Series Edge Platform, Catalyst 8300 Series Edge Platform, Catalyst 8500L Series Edge Platform, Cloud Services Router 1000V Series, Firepower Threat Defense Software, Integrated Services Virtual Router and Open Source Snort 2. This affects an unknown function of the component Snort Detection Engine. The manipulation results in access control. This vulnerability is identified as CVE-2021-1495. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco 1000 Series Integrated Services Router, 3000 Series Industrial Security Appliance, 4000 Series Integrated Services Router, Catalyst 8000V Edge Software, Catalyst 8200 Series Edge Platform, Catalyst 8300 Series Edge Platform, Catalyst 8500L Series Edge Platform, Cloud Services Router 1000V Series, Firepower Threat Defense Software, Integrated Services Virtual Router and Open Source Snort 2 (Firewall Software). It has been classified as critical. Affected is an unknown functionality of the component Snort Detection Engine. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/30/2021 as cisco-sa-http-fp-bp-KfDdcQhc. The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2021-1495. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 04/30/2021). The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
04/30/2021 +167 days 🔍
04/30/2021 +0 days 🔍
05/03/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-http-fp-bp-KfDdcQhc
Status: Not defined

CVE: CVE-2021-1495 (🔍)
GCVE (CVE): GCVE-0-2021-1495
GCVE (VulDB): GCVE-100-174336

Entryinfo

Created: 04/30/2021 06:53
Updated: 05/03/2021 15:51
Changes: 04/30/2021 06:53 (38), 05/03/2021 15:46 (2), 05/03/2021 15:51 (1)
Complete: 🔍
Cache ID: 216::103

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