CVE-2015-2809 json
The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source a…
published 2015-04-01 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-2897
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.5%
- EPSS 3.5% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets to the Avahi component.
Exploit prediction
3.55% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
kb.cert.org
/vuls/id/BLUU-9TLSHD
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/73683
vdb-entry
-
kb.cert.org
/vuls/id/550620
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2015-2809
- NVD CVE-2015-2809
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