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CVE-2017-3881

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 affecte...

Published: Mar 17, 2017Updated: Apr 22, 2026 Sources: CVE List NVD BDU csafCWE-20
9.8CRITICAL
NVD MITRE
EPSS Score
99.0%
Top 0.1%
CISA KEV
Active Exploitation
Since Mar 25, 2022
Exploits
2 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

Cisco Systems Inc.
commercial·USaka cisco, cisco systems
iosOn-premFirmware
Networking Infrastructure / router-switch
ios xeOn-premFirmware
Networking Infrastructure / router-switch
Catalyst 2350-48TD-S Switch
Networking Infrastructure
Catalyst 2350-48TD-SD Switch
Networking Infrastructure
Catalyst 2360-48TD-S Switch
Networking Infrastructure
Catalyst 2918-24TC-C Switch
Networking Infrastructure
Catalyst 2918-24TT-C Switch
Networking Infrastructure
Catalyst 2918-48TC-C Switch
Networking Infrastructure
and 313 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 25, 2022
Remediation due:Apr 15, 2022

Required action: Apply updates per vendor instructions.

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-094-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-17-094-03
cisa.gov
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-3881
web.nvd.nist.gov
and 8 more references View all →

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