Skip to content
Noroxi
NVD / CVE Program· CNA qnap

CVE-2022-27598: QTS, QuTS hero, QuTScloud, QVP (QVR Pro appliances)

Noroxi assessment

Priority: Monitor (action score 10/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.65% (FIRST EPSS); higher than 51.6% of all records.
  • Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; 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 · FIRST EPSS

A vulnerability has been reported to affect QNAP operating systems. If exploited, the out-of-bounds read vulnerability allows remote authenticated administrators to get secret values. The vulnerability affects the following QNAP operating systems: QTS, QuTS hero, QuTScloud, QVP (QVR Pro appliances) We have already fixed the vulnerability in the following versions: QTS 5.0.1.2346 build 20230322 and later QuTS hero h5.0.1.2348 build 20230324 and later

LowCVSS 2.7 · v3.1—No exploit No fix recorded
Published
Mar 29, 2023
Updated
Jun 17, 2026
EPSS
0.6% · 51th percentile

Report tools

JSON

Action score

10

Monitor

Low priority for now.

CVSS
10 / 40 · 2.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
2.7
CNA · qnap
2.7
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

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

Follow CVE-2022-27598

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

Your free account also gets you

Running WordPress? Scan your site free with WP Lens

  • Stack alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Running WordPress? Scan your site free with WP Lens

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.

We use this product, ask for help

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.

VendorProduct
qnapqts
qnapquts hero
qnapqutscloud
qnapqvp-41b firmware
qnapqvp-41b
qnapqvp-63b firmware
qnapqvp-63b
qnapqvp-85b firmware
qnapqvp-85b
qnapqvp-21a firmware
qnapqvp-21a
qnapqvp-41a firmware

and 5 more

Affected versions

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

  • qnap qtsbefore 5.0.1.2346
  • qnap quts herobefore h5.0.1.2348
  • qnap qutscloudall versions
  • qnap qvp-21a firmwareall versions
  • qnap qvp-41a firmwareall versions
  • qnap qvp-41b firmwareall versions
  • qnap qvp-63a firmwareall versions
  • qnap qvp-63b firmwareall versions
  • qnap qvp-85a firmwareall versions
  • qnap qvp-85b firmwareall versions

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.

  • QNAP Systems Inc. QTS

    • unspecified and later · before 5.0.1.2346 build 20230322affected
  • QNAP Systems Inc. QuTS hero

    • unspecified and later · before h5.0.1.2348 build 20230324affected

Same product

qnap: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-2509Command Injection Vulnerability in QTS and QuTS heroKEV
    79This week
  • CVE-2018-19949If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands.KEV
    78This week
  • CVE-2019-7193This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system.KEV
    73This week

Published before and after this one in the same product

  • ← EarlierCVE-2021-44054May 5, 2022 · An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS.
    24Monitor
  • ← EarlierCVE-2022-27596Jan 29, 2023 · Vulnerability in QTS
    40Plan
  • Later →CVE-2023-34971Aug 24, 2023 · An inadequate encryption strength vulnerability has been reported to affect QNAP operating systems.
    35Monitor

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.

No history yet (it accumulates with the daily EPSS job).

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.

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

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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

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

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

—

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