VDB-167930 · CVE-2021-1223 · GCVE-0-2021-1223

Cisco Integrated Services Router Snort protection mechanism

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco Integrated Services Router, Industrial Security Appliance, Services Router 1000V, Firepower Threat Defense and Integrated Services Virtual Router. This issue affects some unknown processing of the component Snort. Such manipulation leads to protection mechanism. This vulnerability is referenced as CVE-2021-1223. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco Integrated Services Router, Industrial Security Appliance, Services Router 1000V, Firepower Threat Defense and Integrated Services Virtual Router (Firewall Software). It has been rated as problematic. Affected by this issue is an unknown function of the component Snort. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is integrity.

The weakness was published 01/14/2021 as cisco-sa-snort-filepolbypass-67DEwMe2. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2021-1223. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/14/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Firewall Software

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
01/14/2021 +62 days 🔍
01/14/2021 +0 days 🔍
02/14/2021 +31 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-snort-filepolbypass-67DEwMe2
Status: Confirmed

CVE: CVE-2021-1223 (🔍)
GCVE (CVE): GCVE-0-2021-1223
GCVE (VulDB): GCVE-100-167930

Entryinfo

Created: 01/14/2021 12:19
Updated: 02/14/2021 07:32
Changes: 01/14/2021 12:19 (37), 02/14/2021 07:29 (5), 02/14/2021 07:32 (19)
Complete: 🔍
Cache ID: 216::103