01 Record
CVE-2021-34360
CSRF Bypass in Proxy Server
MediumPUBLISHEDCNA: qnap
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
02 Description
CSRF Bypass in Proxy Server
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.47% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-05-26 07:20Z4 YR AGO
- Last updated
- 2024-09-16 19:56Z2 YR AGO
- Reserved
- 2021-06-08
- Assigning CNA
- qnap
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-352Cross-Site Request Forgery (CSRF)Compound
- Data version
- 5.1
- Document digest
- 11ec22fc715715ea07bb1b7b4c5d30770004f9912fe157ff39380bd3010fcdf0
05 Affected products
VendorProductVersionsPlatforms
QNAP Systems Inc.Proxy Server< 1.4.2 ( 2021/12/30 ), < 1.4.3 ( 2022/01/18 )QTS 4.5.x, QuTS hero h5.0.0, QuTScloud c4.5.6
06 References
07 Remediation
We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later QuTS hero h5.0.0: Proxy Server 1.4.3 ( 2022/01/18 ) and later QuTScloud c4.5.6: Proxy Server 1.4.2 ( 2021/12/30 ) and later