Medium severity · published Sep 9, 2021
CVE-2021-34722
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and…
6.7
CVSS
0.3%
EPSS
No
On KEV
Description
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
Ios XR · Cisco
7.1.1 before 7.3.2; 7.4.0 before 7.4.1; 7.1.1 before 7.3.2; 7.4.0 before 7.4.1; 7.1.1 before 7.3.2; 7.4.0 before 7.4.1; +10 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34722
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34722
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc
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