CVE-2021-1384
A vulnerability in Cisco IOx application hosting environment of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands into the underlying operating system as the root user.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 35.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A vulnerability in Cisco IOx application hosting environment of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands into the underlying operating system as the root user. This vulnerability is due to incomplete validation of fields in the application packages loaded onto IOx. An attacker could exploit this vulnerability by creating a crafted application .tar file and loading it onto the device. A successful exploit could allow the attacker to perform command injection into the underlying operating system as the root user.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 35.39% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77, CWE-78
- Affected
- cisco/ios xe
- Source
- psirt@cisco.com
References
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-h332-fj6p-2232Exploit, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-cmdinj-RkSURGHGVendor Advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-h332-fj6p-2232Exploit, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-cmdinj-RkSURGHGVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.