CVE-2018-8929
CVE-2018-8929 is a high-severity vulnerability in Synology Ssl Vpn Client with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-417.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-417
- Affected product: Synology Ssl Vpn Client
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-8929?
- 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.
- How severe is CVE-2018-8929?
- CVE-2018-8929 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2018-8929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8929?
- CVE-2018-8929 affects Synology Ssl Vpn Client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-8929 published?
- CVE-2018-8929 was published on 2018-07-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:synology:ssl_vpn_client:*:*:*:*:*:*:*:*
More vulnerabilities in Synology Ssl Vpn Client
- CVE-2018-13283 — High (CVSS 8.8): Lack of administrator control over security vulnerability in client.cgi in Synology SSL VPN Client before 1.2.5-0226…
- CVE-2021-47961 — High (CVSS 8.1): A plaintext storage of a password vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to…
- CVE-2021-47960 — Medium (CVSS 6.5): A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows…
- CVE-2023-5748 — Low (CVSS 3.3): Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology SSL…
All CVEs affecting Synology Ssl Vpn Client →
Other CWE-417 vulnerabilities
- CVE-2019-9855 — Critical (CVSS 9.8): LibreOffice is typically bundled with LibreLogo, a programmable turtle vector graphics script, which can execute…
- CVE-2017-1000197 — Critical (CVSS 9.8): October CMS build 412 is vulnerable to file path modification in asset move functionality resulting in creating…
- CVE-2017-7480 — Critical (CVSS 9.8): rkhunter versions before 1.4.4 are vulnerable to file download over insecure channel when doing mirror update resulting…
- CVE-2017-6520 — Critical (CVSS 9.1): The Multicast DNS (mDNS) responder used in BOSE Soundtouch 30 inadvertently responds to IPv4 unicast queries with…
- CVE-2017-3969 — High (CVSS 8.2): Abuse of communication channels vulnerability in the server in McAfee Network Security Management (NSM) before…
- CVE-2017-7760 — High (CVSS 7.8): The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it.…