Is CVE-2018-8929 in the CISA KEV catalog?

No. CVE-2018-8929 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-8929?

CVE-2018-8929 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2018-8929?

CVE-2018-8929 has an EPSS score of 0.75% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-8929?

Upgrade ssl vpn client to 1.2.4-0224 or later.

CVE & CISA-KEV Catalog

CVE-2018-8929

HIGH

7.3

CVSS v3

NVD

Description

Improper restriction of communication channel to intended endpoints vulnerability in HTTP daemon in Synology SSL VPN Client before 1.2.4-0224 allows remote attackers to conduct man-in-the-middle attacks via a crafted payload.

CWE-319 CWE-417

How to fix

Remediation Available

ssl vpn clientNVD

Affected:< 1.2.4-0224Fixed in:1.2.4-0224CVE-2018-8929derived 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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.75%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

synology.com

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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 2024-11-21.