An issue was discovered in Flexense DiskBoss 8.8.16 and earlier.
An issue was discovered in Flexense DiskBoss 8.8.16 and earlier. Due to the usage of plaintext information from the handshake as input for the encryption key used for the encryption of the rest of the session, the server and client disclose sensitive information, such as the authentication credentials, to any man-in-the-middle (MiTM) listener.
- Published
- Feb 2, 2018
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 38th percentile
- CWE
- CWE-311
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Report tools
Action score
32
Monitor
Low priority for now.
- CVSS
- 32 / 40 · 8.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| flexense | diskboss | cpe:2.3:a:flexense:diskboss |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- flexense diskbossup to 8.8.16 inclusive
Same product
flexense: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-5262A stack-based buffer overflow in Flexense DiskBoss 8.8.16 and earlier allows unauthenticated remote attackers to execute arbitrary code in t51Plan
- CVE-2017-7310A buffer overflow vulnerability in Import Command in SyncBreeze before 10.6, DiskSorter before 10.6, DiskBoss before 8.9, DiskPulse before 147Plan
- CVE-2020-36882Flexsense DiskBoss Application Crash Denial of Service34Monitor
- CVE-2020-36881Flexsense DiskBoss 'Add Input Directory' Buffer Overflow34Monitor
- CVE-2020-36880Flexsense DiskBoss 'Reports and Data Directory' Buffer Overflow34Monitor
- CVE-2017-15665In Flexense DiskBoss Enterprise 8.5.12, the Control Protocol suffers from a denial of service vulnerability.33Monitor
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
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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 researchersFinders, 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
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
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
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-311 · Missing Encryption of Sensitive DataCVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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.
Attack patterns (CAPEC)
- Sniffing AttacksCAPEC-157Medium
- Sniffing Network TrafficCAPEC-158Medium
- Lifting Sensitive Data Embedded in CacheCAPEC-204Medium
- Accessing/Intercepting/Modifying HTTP CookiesCAPEC-31likelihood: High · High
- Retrieve Embedded Sensitive DataCAPEC-37likelihood: High · Very High
- Harvesting Information via API Event MonitoringCAPEC-383Low
- Application API Message Manipulation via Man-in-the-MiddleCAPEC-384Low
- Transaction or Event Tampering via Application API ManipulationCAPEC-385Medium
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.