CVE-2021-1378 is a vulnerability in Cisco Staros
Published on February 17, 2021
Cisco StarOS Denial of Service Vulnerability
A vulnerability in the SSH service of the Cisco StarOS operating system could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to a logic error that may occur under specific traffic conditions. An attacker could exploit this vulnerability by sending a series of crafted packets to an affected device. A successful exploit could allow the attacker to prevent the targeted service from receiving any traffic, which would lead to a DoS condition on the affected device.
Vulnerability Analysis
CVE-2021-1378 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2021-1378 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2021-1378
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-1378 are published in Cisco Staros:
Affected Versions
Cisco ASR 5000 Series Software Version n/a is affected by CVE-2021-1378Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.