Improper input validation in Cisco iOS Xe Software 16.6.1
CVE-2020-3218
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to execute arbitrary code with root privileges on the underlying Linux shell. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by first creating a malicious file on the affected device itself and then uploading a second malicious file to the device. A successful exploit could allow the attacker to execute arbitrary code with root privileges or bypass licensing requirements on the device.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- Cisco iOS Xe Software 16.6.1
- Cisco iOS Xe — versions 16.6.1, 16.6.2, 16.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-we… (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3218?
- CVE-2020-3218 is a high-severity vulnerability in Cisco iOS Xe Software 16.6.1, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-06-03.
- How severe is CVE-2020-3218?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2020-3218 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.