NVD / CVE Program· CNA qnap

CVE-2019-7195: This external control of file name or path vulnerability allows remote attackers to access or modify system files.

CriticalCVSS 9.8 · v3.1KEVWeaponized No fix recorded

Noroxi assessment

Priority: Now (action score 96/100)

CISA has confirmed exploitation in the wild (Jun 8, 2022); it is known to be used in ransomware campaigns. Remediation deadline for US federal agencies: Jun 22, 2022.
A ready-made attack module is public (Metasploit, Nuclei); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 89.3% (FIRST EPSS); higher than 99.7% of all records.
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
According to CISA the attack is automatable: targets can be found by mass scanning.
According to the record, no fixed version is available yet.

Patch today or shut off access. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

This external control of file name or path vulnerability allows remote attackers to access or modify system files. To fix the vulnerability, QNAP recommend updating Photo Station to their latest versions.

BDU:2021-04392

Published: Dec 5, 2019
Updated: Jun 16, 2026
EPSS: 89.3% · 99th percentile
CWE: CWE-22

Report tools

JSON

Action score

Now

Patch today or shut off access.

CVSS: 39 / 40 · 9.8 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 27 / 30 · 89.3%

CISA SSVC decision

Exploitation: active
Automatable: yes
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Jun 8, 2022. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Jun 22, 2022.

Known to be used in ransomware campaigns.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
qnap	photo station	cpe:2.3:a:qnap:photo_station
qnap	qts	cpe:2.3:o:qnap:qts

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qnap). Independent of NVD's CPE analysis and usually ahead of it.

n/a QNAP NAS devices running Photo Station
- QTS 4.4.1: Photo Station before version 6.0.3, QTS 4.3.4 - QTS 4.4.0: Photo Station before version 5.7.10, QTS 4.3.0 - QTS 4.3.3: Photo Station before version 5.4.9, QTS 4.2.6: Photo Station before veaffected

Affected versions · NVD (4)

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

qnap photo stationbefore 6.0.3
qnap photo stationbefore 5.7.10
qnap photo stationbefore 5.4.9
qnap photo stationbefore 5.2.11

Same product

qnap: all records

Other highest-scoring records for the same primary product.

CVE-2019-7192This improper access control vulnerability allows remote attackers to gain unauthorized access to the system.KEV
95Now
CVE-2019-7194This external control of file name or path vulnerability allows remote attackers to access or modify system files.KEV
94Now
CVE-2022-27593An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station.KEV
92Now

Published before and after this one in the same product

← EarlierCVE-2018-0715Aug 27, 2018 · Cross-site scripting vulnerability in QNAP Photo Station versions 5.7.0 and earlier could allow remote attackers to inject Javascript code…
25Monitor
← EarlierCVE-2018-0722Feb 1, 2019 · Path Traversal vulnerability in Photo Station versions: 5.7.2 and earlier in QTS 4.3.4, 5.4.4 and earlier in QTS 4.3.3, 5.2.8 and earlier…
31Monitor
Later →CVE-2018-19954Nov 2, 2020 · The cross-site scripting vulnerability has been reported to affect earlier versions of Photo Station.
24Monitor

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

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×1
Nuclei detection template ×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
Source	Kind	Date
Metasploit module	auxiliary/gather/qnap_lfiQNAP QTS and Photo Station Local File Inclusionauxiliary	2019-11-25
Nuclei detection template	Nuclei template CVE-2019-7195	—

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.

MetasploitNov 25, 2019-11 d
PublishedDec 5, 2019
CISA KEVJun 8, 2022+915 d
TodayNov 14, 2026+2536 d

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

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.
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: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const file = path.join(ROOT, req.query.name);
2res.sendFile(file);

Fixed

1const file = path.resolve(ROOT, req.query.name);
2if (!file.startsWith(ROOT + path.sep)) {
3  return res.sendStatus(400);
4}
5res.sendFile(file);

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)

ATT&CK techniques

—

Change log (0)

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

References

www.qnap.com/zh-tw/security-advisory/nas-201911-25

Show all references (1 more)

www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7195

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

All records