CVE-2016-7552

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because EPSS predicts 93% probability of exploitation within the next 30 days (top 0.2% of all CVEs). NVD baseline CVSS 9.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 93%
CISA-KEV: Not listedEPSS: 93%CVSS: 9.8Exploit: NoneExposed: 0

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

On the Trend Micro Threat Discovery Appliance 2.6.1062r1, directory traversal when processing a session_id cookie allows a remote, unauthenticated attacker to delete arbitrary files as root. This can be used to bypass authentication or cause a DoS.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
99.8%
KEV
Not listed

Published

April 12, 2017

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated May 15, 2026
No patch confirmed yet.
generic

Added CVE-2016-7552/CVE-2016-7547 exploit by stevenseeley · Pull Request #8216 · rapid7/metasploit-framework · GitHub

https://github.com/rapid7/metasploit-framework/pull/8216/commits/0f07875a2ddb0bfbb4e985ab074e9fc56da1dcf6
generic
http://www.securityfocus.com/bid/97599

Data Freshness Timeline

(refreshed 6× in last 7d / 18× 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. 2026-07-06 16:24 UTCEPSS rescore
  2. 2026-07-06 16:24 UTCEPSS rescore
  3. 2026-07-06 02:20 UTCEPSS rescore
  4. 2026-07-06 02:20 UTCEPSS rescore
  5. 2026-06-30 23:19 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-23 21:30 UTCEPSS rescore
  8. 2026-06-22 14:23 UTCEPSS rescore
  9. 2026-06-21 14:54 UTCEPSS rescore
  10. 2026-06-21 14:54 UTCEPSS rescore
  11. 2026-06-21 01:57 UTCEPSS rescore
  12. 2026-06-21 01:57 UTCEPSS rescore
  13. 2026-06-19 19:23 UTCEPSS rescore
  14. 2026-06-19 19:23 UTCEPSS rescore
  15. 2026-06-15 17:45 UTCEPSS rescore
  16. 2026-06-12 23:09 UTCEPSS rescore
  17. 2026-06-11 13:57 UTCEPSS rescore
  18. 2026-06-08 14:14 UTCEPSS rescore
  19. 2026-06-07 15:22 UTCEPSS rescore
  20. 2026-06-07 15:22 UTCEPSS rescore
  21. 2026-06-06 13:45 UTCEPSS rescore
  22. 2026-06-06 13:45 UTCEPSS rescore
  23. 2026-06-02 20:10 UTCEPSS rescore
  24. 2026-05-31 00:14 UTCEPSS rescore
  25. 2026-05-27 13:38 UTCEPSS rescore
Show 29 more
  1. 2026-05-27 13:38 UTCEPSS rescore
  2. 2026-05-24 16:44 UTCEPSS rescore
  3. 2026-05-20 22:37 UTCEPSS rescore
  4. 2026-05-20 22:37 UTCEPSS rescore
  5. 2026-05-20 22:37 UTCEPSS rescore
  6. 2026-05-20 11:21 UTCEPSS rescore
  7. 2026-05-20 11:21 UTCEPSS rescore
  8. 2026-05-20 11:19 UTCEG score recompute
  9. 2026-05-20 11:19 UTCGHSA enrichment
  10. 2026-05-20 07:22 UTCEG score recompute
  11. 2026-05-20 07:22 UTCGHSA enrichment
  12. 2026-05-20 03:25 UTCEG score recompute
  13. 2026-05-20 03:25 UTCGHSA enrichment
  14. 2026-05-19 23:28 UTCEG score recompute
  15. 2026-05-19 23:28 UTCGHSA enrichment
  16. 2026-05-19 19:31 UTCEG score recompute
  17. 2026-05-19 19:31 UTCGHSA enrichment
  18. 2026-05-19 15:34 UTCEG score recompute
  19. 2026-05-19 15:34 UTCGHSA enrichment
  20. 2026-05-19 11:37 UTCEG score recompute
  21. 2026-05-19 11:37 UTCGHSA enrichment
  22. 2026-05-19 07:39 UTCEG score recompute
  23. 2026-05-19 07:38 UTCGHSA enrichment
  24. 2026-05-19 03:41 UTCEG score recompute
  25. 2026-05-19 03:41 UTCGHSA enrichment
  26. 2026-05-18 23:43 UTCEG score recompute
  27. 2026-05-18 21:30 UTCEPSS rescore
  28. 2026-05-18 21:30 UTCEPSS rescore
  29. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(2 references)

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

  • Metasploitexploit/multi/http/trendmicro_threat_discovery_admin_sys_time_cmdi✓ verified
    First seen Apr 10, 2017

    Trend Micro Threat Discovery Appliance admin_sys_time.cgi Remote Command Execution

    Open source ↗
  • Nucleihttp/cves/2016/CVE-2016-7552.yaml
    First seen Jan 1, 2016

    Trend Micro Threat Discovery Appliance 2.6.1062r1 - Authentication Bypass

    Open source ↗

Frequently asked(5)

What is CVE-2016-7552?
CVE-2016-7552 is a critical vulnerability published on April 12, 2017. On the Trend Micro Threat Discovery Appliance 2.6.1062r1, directory traversal when processing a session_id cookie allows a remote, unauthenticated attacker to delete arbitrary files as root. This can be used to bypass authentication or cause a DoS.
When was CVE-2016-7552 disclosed?
CVE-2016-7552 was first published in the National Vulnerability Database on April 12, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-7552 actively exploited?
CVE-2016-7552 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-7552?
CVE-2016-7552 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-7552?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-7552, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2016-7552

Explore →

Is Your Infrastructure Affected by CVE-2016-7552?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs