CVE-2018-8913: synology web_station Missing Custom Error Page
CVSS: 7.1v3.0HighModified
Published 01-04-2019Last modified 16-09-2024
Vulnerability summary
CVE-2018-8913 is a high (CVSS 7.1) Missing Custom Error Page vulnerability in synology web_station. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.0 (CVE.org)EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-04-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LSources2 sources · 6.1–7.1
- NVDNIST6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.12% on 21-09-2026
21-09-202621-10-2026
EPSS score1.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-756Missing Custom Error PageThe product does not return custom error pages to the user, possibly exposing sensitive information.
- CWE-601URL Redirection to Untrusted Site ('Open Redirect')The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
Affected systems
Synology1 product
- web_station≥ unspecified, < 2.1.3-0139 | < 2.1.3-0139
1 vendor · 1 product