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Vulnerability Intelligence

CVE-2020-27128

Medium

A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to write arbitrary files to an affected system.

Published Nov 6, 2020 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2020-27128 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting SD-WAN (Cisco), Cisco SD-WAN vManage.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 61% probability of exploitation in the next 30 days.
  • Fixed versions are available, including SD-WAN 20.3.1.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.5

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

EPSS (30-day exploit likelihood)

61%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

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Description

A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to write arbitrary files to an affected system. The vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected application. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the targeted system.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
SD-WANCiscoSee advisory20.3.1
Cisco SD-WAN vManage>= n/an/a

Patched Releases

SD-WAN

20.3.1

Timeline

  1. Publicly disclosed

    Nov 6, 2020

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

FAQ

Common Questions.

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