Cisco ASA/Firepower Threat Defense TCP Packet resource consumption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Cisco ASA and Firepower Threat Defense and classified as critical. This issue affects some unknown processing of the component TCP Packet Handler. This manipulation causes resource consumption. This vulnerability appears as CVE-2020-3554. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability has been found in Cisco ASA and Firepower Threat Defense (Firewall Software) (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component TCP Packet Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.
The weakness was presented 10/23/2020. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2020-3554. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading eliminates this vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/12/2019 🔍10/23/2020 🔍
10/23/2020 🔍
11/26/2020 🔍
Sources
Vendor: cisco.comAdvisory: tools.cisco.com
Status: Confirmed
CVE: CVE-2020-3554 (🔍)
GCVE (CVE): GCVE-0-2020-3554
GCVE (VulDB): GCVE-100-163453
Entry
Created: 10/23/2020 11:25Updated: 11/26/2020 07:50
Changes: 10/23/2020 11:25 (36), 11/26/2020 07:44 (2), 11/26/2020 07:50 (17)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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