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CVE-2017-15950· NVD / CVE Program· CNA mitre

Flexense SyncBreeze Enterprise version 10.1.16 is vulnerable to a buffer overflow that can be exploited for arbitrary code execution.

Flexense SyncBreeze Enterprise version 10.1.16 is vulnerable to a buffer overflow that can be exploited for arbitrary code execution. The flaw is triggered by providing a long input into the "Destination directory" field, either within an XML document or through use of passive mode.

HighCVSS 7.8 · v3.0—Proof of concept No fix recorded
Published
Oct 31, 2017
Updated
Jun 16, 2026
EPSS
5.5% · 93th percentile
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Report tools

JSON

Action score

33

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 5.5%

Affected systems

VendorProduct
flexensesyncbreeze

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • flexense syncbreeze10.1.16

Same product

flexense: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-8065An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24.
    53Plan
  • CVE-2017-14980Buffer overflow in Sync Breeze Enterprise 10.0.28 allows remote attackers to have unspecified impact via a long username parameter to /login
    46Plan
  • CVE-2018-6537A buffer overflow vulnerability in the control protocol of Flexense SyncBreeze Enterprise v10.4.18 allows remote attackers to execute arbitr
    40Plan
  • CVE-2017-17996A buffer overflow vulnerability in "Add command" functionality exists in Flexense SyncBreeze Enterprise <= 10.3.14.
    37Monitor
  • CVE-2017-17099There exists an unauthenticated SEH based Buffer Overflow vulnerability in the HTTP server of Flexense SyncBreeze Enterprise v10.1.16.
    35Monitor
  • CVE-2020-37100Sync Breeze Enterprise 12.4.18 - Unquoted Service Path
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1
  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2021-03-29
Proof-of-concept repository on GitHubstars:02021-05-31

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+1245 d
  3. TodaySep 30, 2026+3256 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records