CVE-2018-8913

Q: How do I fix CVE-2018-8913?

Upgrade web station to 2.1.3-0139 or later.

Q: Is CVE-2018-8913 being actively exploited?

Not that we know of. CVE-2018-8913 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 63% of all scored CVEs.

Q: How severe is CVE-2018-8913?

CVE-2018-8913 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2018-8913 affect?

Published advisories record a fix for web station (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.1

CVSS v3

NVD

Description

Missing custom error page vulnerability in Synology Web Station before 2.1.3-0139 allows remote attackers to conduct phishing attacks via a crafted URL.

CWE-756 CWE-601Open Redirect

How to fix

Remediation Available

web stationNVD

Affected:< 2.1.3-0139Fixed in:2.1.3-0139CVE-2018-8913derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.12%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

synology.com

Related Vulnerabilities

Other CWE-756 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-3175	Medium	5.3	0.7%	-	Fix
CVE-2023-27998	Medium	5.3	0.4%	-	-

Common questions

How do I fix CVE-2018-8913?

Upgrade web station to 2.1.3-0139 or later.

Is CVE-2018-8913 being actively exploited?

Not that we know of. CVE-2018-8913 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 63% of all scored CVEs.

How severe is CVE-2018-8913?

CVE-2018-8913 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-8913 affect?

Published advisories record a fix for web station (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.