01 Record
CVE-2026-5057
ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
HighPUBLISHEDCNA: zdi
CNA base score7.5 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.73% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 54.1% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-24.
- 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
- 2026-07-29 19:10Z3 MO AGO
- Last updated
- 2026-07-29 19:40Z3 MO AGO
- Reserved
- 2026-03-27
- Assigning CNA
- zdi
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.2
- Document digest
- 42177f4ffbce52b1c7ff2824f06ec47df5bed98cab600f76b5e8216844dc8489
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.zerodayinitiative.comZDI-26-272https://www.zerodayinitiative.com/advisories/ZDI-26-272/
- www.aten.comvendor-provided URLhttps://www.aten.com/global/en/supportcenter/info/security-advisory/26/