CVE-2017-3881
Quick assessment
Affected
n/a Cisco IOS and IOS XE Software
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco Catalyst Switches等都是美国思科（Cisco）公司的交换机产品。Cisco IOS和IOS XE都是运行于其中的操作系统。 多款Cisco产品中的IOS和IOS XE Software的Cluster Management Protocol (CMP)处理代码存在远程代码执行漏洞。远程攻击者可利用该漏洞造成受影响设备重载，或以提升的权限执行代码。以下设备受到影响：Cisco Catalyst switches；Embedded Service 2020 switches；Enh
Public Exploits 3
Metasploit · 1
ios_telnet_rocem.rb [auxiliary]
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 3 AI
T1041 · Exfiltration Over C2 Channel T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-3881
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes Telnet internally as a signaling and command protocol between cluster members. The vulnerability is due to the combination of two factors: (1) the failure to restrict the use of CMP-specific Telnet options only to internal, local communications between cluster members and instead accept and process such options over any Telnet connection to an affected device; and (2) the incorrect processing of malformed CMP-specific Telnet options. An attacker could exploit this vulnerability by sending malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections. An exploit could allow an attacker to execute arbitrary code and obtain full control of the device or cause a reload of the affected device. This affects Catalyst switches, Embedded Service 2020 switches, Enhanced Layer 2 EtherSwitch Service Module, Enhanced Layer 2/3 EtherSwitch Service Module, Gigabit Ethernet Switch Module (CGESM) for HP, IE Industrial Ethernet switches, ME 4924-10GE switch, RF Gateway 10, and SM-X Layer 2/3 EtherSwitch Service Module. Cisco Bug IDs: CSCvd48893.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Cisco产品IOS和IOS XE Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst Switches等都是美国思科（Cisco）公司的交换机产品。Cisco IOS和IOS XE都是运行于其中的操作系统。 多款Cisco产品中的IOS和IOS XE Software的Cluster Management Protocol (CMP)处理代码存在远程代码执行漏洞。远程攻击者可利用该漏洞造成受影响设备重载，或以提升的权限执行代码。以下设备受到影响：Cisco Catalyst switches；Embedded Service 2020 switches；Enh
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Cisco IOS and IOS XE Software | Cisco IOS and IOS XE Software | - |
|
II. Public POCs for CVE-2017-3881
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2017-3881 Cisco Catalyst Remote Code Execution PoC | https://github.com/artkond/cisco-rce | POC Details |
| 2 | None | https://github.com/homjxi0e/CVE-2017-3881-exploit-cisco- | POC Details |
| 3 | None | https://github.com/homjxi0e/CVE-2017-3881-Cisco | POC Details |
| 4 | Cisco Catalyst Remote Code Execution PoC | https://github.com/mzakyz666/PoC-CVE-2017-3881 | POC Details |
| 5 | credit to artkond | https://github.com/1337g/CVE-2017-3881 | POC Details |
| 6 | A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes Telnet internally as a signaling and command protocol between cluster members. The vulnerability is due to the combination of two factors: (1) the failure to restrict the use of CMP-specific Telnet options only to internal, local communications between cluster members and instead accept and process such options over any Telnet connection to an affected device; and (2) the incorrect processing of malformed CMP-specific Telnet options. An attacker could exploit this vulnerability by sending malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections. An exploit could allow an attacker to execute arbitrary code and obtain full control of the device or cause a reload of the affected device. This affects Catalyst switches, Embedded Service 2020 switches, Enhanced Layer 2 EtherSwitch Service Module, Enhanced Layer 2/3 EtherSwitch Service Module, Gigabit Ethernet Switch Module (CGESM) for HP, IE Industrial Ethernet switches, ME 4924-10GE switch, RF Gateway 10, and SM-X Layer 2/3 EtherSwitch Service Module. Cisco Bug IDs: CSCvd48893. | https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2017/CVE-2017-3881.yaml | POC Details |
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Vendor Advisories for CVE-2017-3881 (4)
Exploits & Public PoCs for CVE-2017-3881 (2)
Same Patch Batch · n/a · 2017-03-17 · 51 CVEs total
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| CVE-2015-3882 | qdPM 信息泄露漏洞 | |
| CVE-2015-3881 | qdPM 信息泄露漏洞 | |
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Showing top 20 of 51 CVEs. View all on vendor page → →
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V. Comments for CVE-2017-3881
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