Cisco ASA/Firepower Threat Defense Dynamic Access Policy memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.8 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Cisco ASA and Firepower Threat Defense (Firewall Software) (the affected version unknown). This issue affects an unknown part of the component Dynamic Access Policy Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability.
The weakness was presented 11/09/2022 as cisco-sa-asa-ftd-dap-dos-GhYZBxDU. The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2022-20947 since 11/02/2021. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/28/2023).
Upgrading eliminates this vulnerability.
See VDB-206050, VDB-213288, VDB-213292 and VDB-213303 for similar entries.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.9VulDB Meta Temp Score: 7.8
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 8.6
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
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 🔍
07/28/2023 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-asa-ftd-dap-dos-GhYZBxDU
Status: Confirmed
CVE: CVE-2022-20947 (🔍)
See also: 🔍
Entry
Created: 11/09/2022 20:18Updated: 07/28/2023 15:11
Changes: 11/09/2022 20:18 (39), 12/11/2022 09:07 (23), 07/28/2023 15:11 (1)
Complete: 🔍
Cache ID: 18:1A2:103
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