CVE-2021-34771 Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability
An authenticated local attacker can view sensitive configuration information beyond their privileges in Cisco IOS XR Software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34771?
CVE-2021-34771 is a medium-severity vulnerability in Cisco Ios Xr, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local attacker to view more information than their privileges allow. This vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by running a specific command. A successful exploit could allow the attacker to view sensitive configuration information that their privileges might not otherwise allow them to access.
Which versions are affected by CVE-2021-34771?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2021-34771?
No fix has been published for CVE-2021-34771 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34771 being exploited?
There is no known exploitation of CVE-2021-34771 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xr
- CVE-2020-3118 Cisco IOS XR Software Discovery Protocol Format String
- CVE-2020-3569 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2020-3566 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2010-3035 Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service
- CVE-2022-20821 Cisco IOS XR Open Port
Sources
Also known as GHSA-83jx-mw8g-gjgx.