A vulnerability in the Open Shortest Path First (OSPF) implementation in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. The vulnerability is due to incorrect processing of certain OSPF packets. An attacker could exploit this vulnerability by sending a series of crafted OSPF packets to be processed by an affected device. A successful exploit could allow the attacker to continuously consume memory on an affected device and eventually cause it to reload, resulting in a denial of service (DoS) condition.
Published 2020-05-06 17:15:12
Updated 2023-08-16 16:17:08
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2020-3195

0.16%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3195

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
8.6
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
Cisco Systems, Inc.
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2020-3195

  • The product 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.
    Assigned by: ykramarz@cisco.com (Secondary)
  • The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-3195

Products affected by CVE-2020-3195

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