Vulnerability identifier: #VU52913

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1535

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco SD-WAN vManage
Other software / Other software solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to absence of authentication for sensitive information in the cluster management interface. A remote non-authenticated attacker can send a specially crafted request to the cluster management interface and gain access to sensitive information.

To exploit the vulnerability the vManage Software must be in cluster mode.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 19.2.097 - 20.5.0

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vmanageinfdis-LKrFpbv
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw11097

---

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?

No. We are not aware of malware exploiting this vulnerability.