Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-20081— Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco IOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Adaptive Security Appliance Software 存在安全漏洞，该漏洞源于对 DHCPv6 消息的验证不充分。

CVSS 6.8 · Medium EPSS 0.68% · P51

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-20081

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To successfully exploit this vulnerability, the attacker would need to either control the DHCPv6 server or be in a man-in-the-middle position.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Adaptive Security Appliances Software 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Adaptive Security Appliance Software 存在安全漏洞，该漏洞源于对 DHCPv6 消息的验证不充分。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco IOS n/a -

II. Public POCs for CVE-2023-20081

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-20081

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-20081 (1)

Same Patch Batch · Cisco · 2023-03-23 · 18 CVEs total

CVE-2023-20027 8.6 HIGH Cisco IOS XE Software Virtual Fragmentation Reassembly Denial of Service Vulnerability
CVE-2023-20080 8.6 HIGH Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulner
CVE-2023-20072 8.6 HIGH Cisco IOS XE Software Fragmented Tunnel Protocol Packet Denial of Service Vulnerability
CVE-2023-20055 8.0 HIGH Cisco DNA Center Privilege Escalation Vulnerability
CVE-2023-20035 7.8 HIGH Cisco IOS XE SD-WAN Software Command Injection Vulnerability
CVE-2023-20065 7.8 HIGH Cisco IOS XE Software 安全漏洞
CVE-2023-20112 7.4 HIGH Cisco Access Point Software Association Request Denial of Service Vulnerability
CVE-2023-20067 7.4 HIGH Cisco IOS XE Software for Wireless LAN Controllers HTTP Client Profiling Denial of Service
CVE-2023-20100 6.8 MEDIUM Cisco IOS XE Software for Wireless LAN Controllers CAPWAP Join Denial of Service Vulnerabi
CVE-2023-20113 6.5 MEDIUM Cisco SD-WAN vManage Software Cross-Site Request Forgery Vulnerability
CVE-2023-20066 6.5 MEDIUM Cisco IOS XE Software Web UI Path Traversal Vulnerability
CVE-2023-20056 6.5 MEDIUM Cisco Access Point Software Denial of Service Vulnerability
CVE-2023-20082 6.1 MEDIUM Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches Secure Boot Bypass Vulnerabi
CVE-2023-20097 4.6 MEDIUM Cisco Access Point Software Command Injection Vulnerability
CVE-2023-20029 4.4 MEDIUM Cisco IOS XE Software Privilege Escalation Vulnerability
CVE-2023-20059 4.3 MEDIUM Cisco DNA Center Information Disclosure Vulnerability
CVE-2023-20107 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entro

IV. Related Vulnerabilities

Same product: Cisco IOS
Same vendor: Cisco
Same weakness: CWE-122

V. Comments for CVE-2023-20081

No comments yet

Leave a comment