Is CVE-2019-15703 in the CISA KEV catalog?

No. CVE-2019-15703 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-15703?

CVE-2019-15703 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-15703?

CVE-2019-15703 has an EPSS score of 1.00% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-15703?

Upgrade fortios to 6.2.3 or later.

CVE & CISA-KEV Catalog

CVE-2019-15703

HIGH

7.5

CVSS v3

NVD

Description

An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.

CWE-331

How to fix

Remediation Available

fortiosNVD

Affected:>= 6.2.0, < 6.2.3Fixed in:6.2.3CVE-2019-15703derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.00%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Embed a live status badge for CVE-2019-15703

Markdown

[![CVE-2019-15703](https://tridentstack.com/cve/badge/CVE-2019-15703.svg)](https://tridentstack.com/cve/CVE-2019-15703)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-15703"><img src="https://tridentstack.com/cve/badge/CVE-2019-15703.svg" alt="CVE-2019-15703"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2024-11-21.