Strix
26.1K

CVE-2020-26071

HIGHCVSS 8.4/10EPSS 0.19%

Last modified

CVE-2020-26071 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Metrics

CVSS 3.1
8.4/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

EPSS Probability
0.19%

8.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoCatalyst Sd-Wan Manager17.2.4
CiscoCatalyst Sd-Wan Manager17.2.5
CiscoCatalyst Sd-Wan Manager17.2.6
CiscoCatalyst Sd-Wan Manager17.2.7
CiscoCatalyst Sd-Wan Manager17.2.8
CiscoCatalyst Sd-Wan Manager17.2.9
CiscoCatalyst Sd-Wan Manager17.2.10
CiscoCatalyst Sd-Wan Manager18.2.0
CiscoCatalyst Sd-Wan Manager18.3.0
CiscoCatalyst Sd-Wan Manager18.3.1
CiscoCatalyst Sd-Wan Manager18.3.1.1
CiscoCatalyst Sd-Wan Manager18.3.3
CiscoCatalyst Sd-Wan Manager18.3.3.1
CiscoCatalyst Sd-Wan Manager18.3.4
CiscoCatalyst Sd-Wan Manager18.3.5
CiscoCatalyst Sd-Wan Manager18.3.6
CiscoCatalyst Sd-Wan Manager18.3.6.1
CiscoCatalyst Sd-Wan Manager18.3.7
CiscoCatalyst Sd-Wan Manager18.3.8
CiscoCatalyst Sd-Wan Manager18.4.0
CiscoCatalyst Sd-Wan Manager18.4.0.1
CiscoCatalyst Sd-Wan Manager18.4.1
CiscoCatalyst Sd-Wan Manager18.4.3
CiscoCatalyst Sd-Wan Manager18.4.4
CiscoCatalyst Sd-Wan Manager18.4.5
CiscoCatalyst Sd-Wan Manager18.4.302
CiscoCatalyst Sd-Wan Manager18.4.303
CiscoCatalyst Sd-Wan Manager18.4.501_es
CiscoCatalyst Sd-Wan Manager19.0.0
CiscoCatalyst Sd-Wan Manager19.0.1a
CiscoCatalyst Sd-Wan Manager19.1.0
CiscoCatalyst Sd-Wan Manager19.2.0
CiscoCatalyst Sd-Wan Manager19.2.1
CiscoCatalyst Sd-Wan Manager19.2.2
CiscoCatalyst Sd-Wan Manager19.2.3
CiscoCatalyst Sd-Wan Manager19.2.097
CiscoCatalyst Sd-Wan Manager19.2.098
CiscoCatalyst Sd-Wan Manager19.2.099
CiscoCatalyst Sd-Wan Manager19.3.0
CiscoCatalyst Sd-Wan Manager20.1.1
CiscoCatalyst Sd-Wan Manager20.1.1.1
CiscoCatalyst Sd-Wan Manager20.1.12

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2020-26071?
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
How severe is CVE-2020-26071?
CVE-2020-26071 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26071?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26071?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST