Is CVE-2017-13099 in the CISA KEV catalog?

No. CVE-2017-13099 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-13099?

CVE-2017-13099 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-13099?

CVE-2017-13099 has an EPSS score of 24.92% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-13099

HIGHEPSS 98th pctl

7.5

CVSS v3

NVD

Description

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."

CWE-203

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

24.92%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.