CVE-2021-34722
Last modified
CVE-2021-34722 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xr | >= 7.1.1, < 7.3.2 |
| Cisco | Ios Xr | >= 7.4.0, < 7.4.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-34722?
How severe is CVE-2021-34722?
How do I fix CVE-2021-34722?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-34716A vulnerability in the web-based management interface of Cis…7.2
- CVE-2021-34718A vulnerability in the SSH Server process of Cisco IOS XR So…8.1
- CVE-2021-34719Multiple vulnerabilities in the CLI of Cisco IOS XR Software…7.8
- CVE-2021-3472A flaw was found in xorg-x11-server in versions before 1.20.…7.8
- CVE-2021-34720A vulnerability in the IP Service Level Agreements (IP SLA) …8.6
- CVE-2021-34721Multiple vulnerabilities in the CLI of Cisco IOS XR Software…6.7
- CVE-2021-34723A vulnerability in a specific CLI command that is run on Cis…6.7
- CVE-2021-34724A vulnerability in the Cisco IOS XE SD-WAN Software CLI coul…6
- CVE-2021-34725A vulnerability in the CLI of Cisco IOS XE SD-WAN Software c…6.7
- CVE-2021-34726A vulnerability in the CLI of Cisco SD-WAN Software could al…6.7
- CVE-2021-34727A vulnerability in the vDaemon process in Cisco IOS XE SD-WA…9.8
- CVE-2021-34728Multiple vulnerabilities in the CLI of Cisco IOS XR Software…7.8
Are you affected by CVE-2021-34722?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST