CVE-2019-12693

What it is

A vulnerability in the Secure Copy (SCP) feature of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to the use of an incorrect data type for a length variable. An attacker could exploit this vulnerability by initiating the transfer of a large file to an affected device via SCP. To exploit this vulnerability, the attacker would need to have valid privilege level 15 credentials on the affected device. A successful exploit could allow the attacker to cause the length variable to roll over, which could cause the affected device to crash.

At a glance

Exploitability

Can be exploited over the network with an admin-level account. High risk of service disruption.

Exploit odds

1.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2019-10-02 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:15 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.5% in the next 30 days (EPSS).
• Severity: 4.9 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-10-02 19:15 UTC

Last modified

2026-06-17 02:15 UTC

Exploit probability

1.5% · EPSS, next 30 days

Weakness

CWE-704

Record status

Modified

Affected

• Cisco Adaptive Security Appliance < 9.6.4.30
• Cisco Adaptive Security Appliance Software < 9.8.4
• Cisco Adaptive Security Appliance Software < 9.9.2.50
• Cisco Adaptive Security Appliance Software < 9.10.1.22
• Cisco Adaptive Security Appliance Software < 9.12.2.1

Attack profile CVSS 3.1 · 4.9

Attack vector

Network

Complexity

Low

Privileges needed

High

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-12693.md and follow it. Check whether this project is affected by CVE-2019-12693. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge