CVE-2022-27593

QNAP Photo Station: Externally Controlled Reference

As of , CVE-2022-27593 in QNAP Photo Station is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 8 September 2022
US federal deadline
29 September 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Known
EPSS score
0.88Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: www.qnap.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Certain QNAP NAS running Photo Station with internet exposure contain an externally controlled reference to a resource vulnerability which can allow an attacker to modify system files. This vulnerability was observed being utilized in a Deadbolt ransomware campaign.

CISA's description

An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, This could allow an attacker to modify system files. We have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later

The CVE record's description, from qnap

CVE published
8 September 2022
Assigned by
qnap
CVSS
10.0 Critical (CVSS 3.1, from the CNA)
CWE-610
Externally Controlled Reference to a Resource in Another Sphere
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Photo Station: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2019-7192Improper Access ControlQNAP Photo StationPatch this weekRansomware use; Metasploit module; EPSS 0.880.88
CVE-2019-7194Path TraversalQNAP Photo StationPatch this weekRansomware use; Metasploit module; EPSS 0.830.83
CVE-2019-7195Path TraversalQNAP Photo StationPatch this weekRansomware use; Metasploit module; EPSS 0.900.90

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