Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-20821 |
CWE-ID | CWE-284 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software |
Cisco IOS XR Operating systems & Components / Operating system |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU63500
Risk: Medium
CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]
CVE-ID: CVE-2022-20821
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to unrestricted access to the Redis instance running within the NOSi container, accessible via port 6379/tcp (the health check RPM opens this port by default). A remote non-authenticated attacker can connect to the Redis instance and obtain sensitive information or modify it.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsCisco IOS XR: 7.3.3
CPE2.3 External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-redis-ABJyE5xK
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCwb82689
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.