Cisco ASA/Firepower Threat Defense/IOS/IOS XE IPv6 DHCP Client denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Cisco ASA, Firepower Threat Defense, IOS and IOS XE (Firewall Software) (unknown version). This issue affects an unknown code block of the component IPv6 DHCP Client. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was disclosed 03/23/2023 as cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv. The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2023-20081 since 10/27/2022. 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). MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading eliminates this vulnerability.
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: 6.2VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CNA Base Score: 6.8
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Denial of serviceCWE: CWE-404
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
10/27/2022 🔍03/23/2023 🔍
03/23/2023 🔍
07/28/2023 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv
Status: Confirmed
CVE: CVE-2023-20081 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 03/23/2023 18:04Updated: 07/28/2023 11:42
Changes: 03/23/2023 18:04 (39), 04/13/2023 13:24 (1), 04/13/2023 13:30 (21), 07/28/2023 11:42 (1)
Complete: 🔍
Could you use the official NVD Nist cpe "cisco:adaptive_security_appliance" instead of "cisco:asa"?
I would really appreciate!
Best Regards,
TEAM CERT
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