Vulnerability in Cisco Catalyst Sd-Wan Manager
CVE-2021-1234
A vulnerability in the cluster management interface of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. To be affected by this vulnerability, the vManage software must be in cluster mode. This vulnerability is due to the absence of authentication for sensitive information in the cluster management interface. An attacker could exploit this vulnerability by sending a crafted request to the cluster management interface of an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Cisco Catalyst Sd-Wan Manager — versions 17.2.4, 17.2.5, 17.2.6
- Cisco Catalyst Sd-Wan Manager — versions 20.1.12, 19.2.1, 18.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2021-1234?
- CVE-2021-1234 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.3/10. Published 2024-11-18.
- How severe is CVE-2021-1234?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-1234 known to be exploited?
- 55 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.