CVE-2022-39055

low-risk
Published 2022-10-18

RAVA certificate validation system has inadequate filtering for URL parameter. An unauthenticated remote attacker can perform SSRF attack to discover internal network topology base on query response.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Rava Certificate Validation System

Affected Vendors

Changingtec

References (2)

Third Party Advisory https://www.twcert.org.tw/tw/cp-132-6616-9092f-1.html
Third Party Advisory https://www.twcert.org.tw/tw/cp-132-6616-9092f-1.html
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal