01 Record
CVE-2022-39060
ChangingTec MegaServiSignAdapter - Improper Input Validation
CriticalPUBLISHEDCNA: twcert
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
ChangingTec MegaServiSignAdapter - Improper Input Validation
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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 59.6% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
- 2023-01-31 00:00Z3 YR AGO
- Last updated
- 2025-03-27 18:22Z1 YR AGO
- Reserved
- 2022-08-31
- Assigning CNA
- twcert
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- a5627f1dd5ca654b8102a54f1eff67b94a69948445917f7fd740b2eb5b1deaef
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.twcert.org.twhttps://www.twcert.org.tw/tw/cp-132-6887-6ed4f-1.html
07 Remediation
Update MegaServiSignAdapter (Windows) version to 1.0.22.1004