QNAP Photo Station Improper Access Control Vulnerability

This improper access control vulnerability allows remote attackers to gain unauthorized access to the system. To fix these vulnerabilities, QNAP recommend updating Photo Station to their latest versions.

CheckOps priority index

9.6/10 Patch within 24 h

Severity9.8

Probability8.8

Exploitation5/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 88.1% higher than 99.8% of CVEs

CVSS 3.1 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:

Exploited for 1,609 days 08 Jun 2022

CISA due date 22 Jun 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 5 / 5

KEV catalog (CISA)08 Jun 2022
Exploited in EUVD (ENISA)08 Jun 2022
Used by ransomwareyes
EPSS above 10 %88.1%
No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

QNAP NAS devices running Photo StationPhoto Station

Affected versions

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 version 5.2.11

Weaknesses (CWE)

CWE-863

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

05 Dec 2019
Published
08 Jun 2022
Exploitation reported (ENISA)
08 Jun 2022
Added to the KEV catalog
22 Jun 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 88.1%

References

Other exploited vulnerabilities from the same vendor

CVE-2023-47565QNAP VioStor NVR OS Command Injection Vulnerability
7.2 · Background exploitation
CVE-2022-27593QNAP Photo Station Externally Controlled Reference Vulnerability
9.6 · Background exploitation
CVE-2019-7195QNAP Photo Station Path Traversal Vulnerability
9.6 · Background exploitation
CVE-2019-7194QNAP Photo Station Path Traversal Vulnerability
9.4 · Background exploitation
CVE-2019-7193QNAP QTS Improper Input Validation Vulnerability
7.4 · Background exploitation
CVE-2018-19953QNAP NAS File Station Cross-Site Scripting Vulnerability
6.4 · Background exploitation