Vulnerability-Lookup

CERTFR-2021-AVI-307

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans QNAP HBS 3 Hybrid Backup Sync. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité, une atteinte à l'intégrité des données et une atteinte à la confidentialité des données.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Qnap	Hybrid Backup Sync	HBS 3 Hybrid Backup Sync pour QuTScloud c4.5.x versions antérieures à 16.0.0419
Qnap	Hybrid Backup Sync	HBS 3 Hybrid Backup Sync pour QuTS hero h4.5.1 versions antérieures à 16.0.0419
Qnap	Hybrid Backup Sync	HBS 3 Hybrid Backup Sync pour QTS 4.5.2 versions antérieures à 16.0.0415
Qnap	Hybrid Backup Sync	HBS 3 Hybrid Backup Sync pour QTS 4.3.6 versions antérieures à 3.0.210412

References

Title

Publication Time

CVE-2021-28799 (GCVE-0-2021-28799)

Vulnerability from cvelistv5 – Published: 2021-05-13 02:55 – Updated: 2025-10-21 23:25

Title

Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)

Summary

An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .

Severity

10 (Critical)


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

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-04 14:53 UTC

CWE

CWE-285 - Improper Authorization

Assigner

qnap mitre root

References

2 references

URL	Tags
https://www.qnap.com/en/security-advisory/QSA-21-13	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

6 products

Vendor	Product	Version
QNAP Systems Inc.	HBS 3	Affected: unspecified , < v16.0.0415 (custom)
QNAP Systems Inc.	HBS 3	Affected: unspecified , < v3.0.210412 (custom)
QNAP Systems Inc.	HBS 3	Affected: unspecified , < v3.0.210411 (custom)
QNAP Systems Inc.	HBS 3	Affected: unspecified , < v16.0.0419 (custom)
QNAP Systems Inc.	HBS 2	Unaffected: all versions
QNAP Systems Inc.	HBS 1.3	Unaffected: all versions

Date Public

2021-04-22 00:00

Credits

ZUSO ART

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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