CVE-2020-27131
moderate-risk
Published 2020-11-17
Multiple vulnerabilities in the Java deserialization function that is used by Cisco Security Manager could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device. These vulnerabilities are due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit these vulnerabilities by sending a malicious serialized Java object to a specific listener on an affected system. A successful exploit could allow the attacker to execute arbitrary commands on the device with the privileges of NT AUTHORITY\SYSTEM on the Windows target host. Cisco has not released software updates that address these vulnerabilities.
Do I need to act?
!
88.5% chance of exploitation in next 30 days
EPSS score — higher than 12% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10
High
NETWORK
/ HIGH complexity
Affected Products (1)
Security Manager
Affected Vendors
References (2)
49
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
20/34 · Moderate
Exposure
5/34 · Minimal