CVE-2019-12659 - CVE House
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Status published Medium CVE-2019-12659

Cisco IOS XE Software HTTP Server Denial of Service Vulnerability

Vulnerability Description

A vulnerability in the HTTP server code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the HTTP server to crash. The vulnerability is due to a logical error in the logging mechanism. An attacker could exploit this vulnerability by generating a high amount of long-lived connections to the HTTP service on the device. A successful exploit could allow the attacker to cause the HTTP server to crash.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco IOS XE Software 3.2.0JA
Vulnerable Versions:
unspecified

Timeline

Official Publish: September 25th, 2019
Last Modified: November 19th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-399

MITRE ATT&CK TTPs

T1499.001 OS Exhaustion Flood
Impact
T1499.002 Service Exhaustion Flood
Impact
T1499.003 Application Exhaustion Flood
Impact
T1499.004 Application or System Exploitation
Impact