Cisco Firepower Management Center SSH resource consumption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cisco Firepower Management Center and Firepower Threat Defense. Affected by this issue is some unknown functionality of the component SSH. Performing a manipulation results in resource consumption. This vulnerability is identified as CVE-2022-20854. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Cisco Firepower Management Center and Firepower Threat Defense (Firewall Software) (affected version unknown). This affects an unknown functionality of the component SSH. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.
The weakness was released 11/09/2022 as cisco-sa-fmc-dos-OwEunWJN. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2022-20854 since 11/02/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 🔍
CNA Base Score: 7.5
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
| 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: 🔍
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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/02/2021 🔍11/09/2022 🔍
11/09/2022 🔍
12/11/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-fmc-dos-OwEunWJN
Status: Confirmed
CVE: CVE-2022-20854 (🔍)
GCVE (CVE): GCVE-0-2022-20854
GCVE (VulDB): GCVE-100-213291
Entry
Created: 11/09/2022 19:14Updated: 12/11/2022 08:58
Changes: 11/09/2022 19:14 (39), 12/11/2022 08:57 (2), 12/11/2022 08:58 (11)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.