Format String Vulnerability in Cisco IOS and IOS XE Software
CVE-2018-0175

8HIGH

Key Information:

Vendor
Cisco
Status
Cisco iOS, iOS Xe, And iOS Xr
Vendor
CVE Published:
28 March 2018

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

The vulnerability exists in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS, IOS XE, and IOS XR Software, allowing unauthenticated, adjacent attackers to exploit it. Successful exploitation can result in a denial of service condition or enable an attacker to execute arbitrary code with elevated privileges on affected devices. This significantly compromises the security and functionality of the network, making it critical for organizations to apply the relevant patches provided by Cisco to mitigate risks.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Cisco IOS, IOS XE, and IOS XR Cisco IOS, IOS XE, and IOS XR

References

https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
x_refsource_MISC
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
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CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.