CVE-2017-15889

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 72% probability of exploitation within the next 30 days (top 0.6% of all CVEs). NVD baseline CVSS 8.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
9.0EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 72%
  • Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 72%CVSS: 8.8Exploit: Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Command injection vulnerability in smart.cgi in Synology DiskStation Manager (DSM) before 5.2-5967-5 allows remote authenticated users to execute arbitrary commands via disk field.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
74(Track)
EG Risk 74/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation72% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
72%
EPSS %ILE
99%
KEV
Not listed

Published

December 4, 2017

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated May 22, 2026
No patch confirmed yet.
generic

Synology_SA_17_65_DSM | Synology Inc.

https://www.synology.com/en-global/support/security/Synology_SA_17_65_DSM

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-25 14:13 UTCEPSS rescore
  3. 2026-07-23 01:27 UTCEG score recompute▲ 0.20
  4. 2026-07-22 22:06 UTCEG score recompute
  5. 2026-07-22 14:04 UTCEPSS rescore
  6. 2026-07-20 17:04 UTCEPSS rescore
  7. 2026-07-20 17:04 UTCEPSS rescore
  8. 2026-07-19 02:26 UTCEPSS rescore
  9. 2026-07-19 02:26 UTCEPSS rescore
  10. 2026-07-18 10:00 UTCEPSS rescore
  11. 2026-07-16 16:59 UTCEPSS rescore
  12. 2026-07-16 16:59 UTCEPSS rescore
  13. 2026-07-15 16:54 UTCEPSS rescore
  14. 2026-07-15 16:54 UTCEPSS rescore
  15. 2026-07-13 06:09 UTCEPSS rescore
  16. 2026-07-11 08:24 UTCEPSS rescore
  17. 2026-07-09 19:06 UTCEPSS rescore
  18. 2026-07-05 02:27 UTCEPSS rescore
  19. 2026-07-04 06:28 UTCEPSS rescore
  20. 2026-07-01 15:02 UTCEPSS rescore
  21. 2026-07-01 15:02 UTCEPSS rescore
  22. 2026-06-28 04:53 UTCEPSS rescore
  23. 2026-06-25 13:47 UTCEPSS rescore
  24. 2026-06-25 13:47 UTCEPSS rescore
  25. 2026-06-24 14:02 UTCEPSS rescore
Show 34 more
  1. 2026-06-23 21:30 UTCEPSS rescore
  2. 2026-06-21 01:57 UTCEPSS rescore
  3. 2026-06-21 01:57 UTCEPSS rescore
  4. 2026-06-18 17:50 UTCEPSS rescore
  5. 2026-06-17 17:50 UTCEPSS rescore
  6. 2026-06-15 17:45 UTCEPSS rescore
  7. 2026-06-12 23:09 UTCEPSS rescore
  8. 2026-06-10 22:15 UTCEPSS rescore
  9. 2026-06-07 15:22 UTCEPSS rescore
  10. 2026-06-07 15:22 UTCEPSS rescore
  11. 2026-06-06 13:45 UTCEPSS rescore
  12. 2026-06-06 13:45 UTCEPSS rescore
  13. 2026-06-05 22:44 UTCEPSS rescore
  14. 2026-06-05 06:08 UTCEPSS rescore
  15. 2026-06-05 06:08 UTCEPSS rescore
  16. 2026-06-02 20:11 UTCEPSS rescore
  17. 2026-06-02 20:11 UTCEPSS rescore
  18. 2026-06-01 13:49 UTCEPSS rescore
  19. 2026-06-01 13:49 UTCEPSS rescore
  20. 2026-05-31 00:14 UTCEPSS rescore
  21. 2026-05-29 13:41 UTCEPSS rescore
  22. 2026-05-28 13:42 UTCEPSS rescore
  23. 2026-05-28 13:42 UTCEPSS rescore
  24. 2026-05-27 13:38 UTCEPSS rescore
  25. 2026-05-27 13:38 UTCEPSS rescore
  26. 2026-05-22 21:15 UTCEPSS rescore
  27. 2026-05-22 21:15 UTCEPSS rescore
  28. 2026-05-22 21:15 UTCEPSS rescore
  29. 2026-05-22 07:32 UTCEG score recompute
  30. 2026-05-22 07:32 UTCGHSA enrichment
  31. 2026-05-20 22:37 UTCEPSS rescore
  32. 2026-05-20 22:37 UTCEPSS rescore
  33. 2026-05-18 21:30 UTCEPSS rescore
  34. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-48514✓ verified
    First seen May 25, 2020

    Synology DiskStation Manager - smart.cgi Remote Command Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/linux/http/synology_dsm_smart_exec_auth✓ verified
    First seen Nov 8, 2017

    Synology DiskStation Manager smart.cgi Remote Command Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-15889?
CVE-2017-15889 is a critical vulnerability published on December 4, 2017. Command injection vulnerability in smart.cgi in Synology DiskStation Manager (DSM) before 5.2-5967-5 allows remote authenticated users to execute arbitrary commands via disk field.
When was CVE-2017-15889 disclosed?
CVE-2017-15889 was first published in the National Vulnerability Database on December 4, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-15889 actively exploited?
CVE-2017-15889 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72% probability of exploitation in the next 30 days, which ranks it in the top 0.6% of all scored CVEs.
What is the CVSS score of CVE-2017-15889?
CVE-2017-15889 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2017-15889?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-15889, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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