01 Record
CVE-2024-0840
Grandstream UCM Series IP PBX HTTP Parameter Injection
HighPUBLISHEDCNA: VulnCheck
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Grandstream UCM Series IP PBX HTTP Parameter Injection
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.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 58.7% 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:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Deferred. 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
- 2024-04-29 18:42Z2 YR AGO
- Last updated
- 2024-08-01 18:18Z2 YR AGO
- Reserved
- 2024-01-23
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-141Improper Neutralization of Parameter/Argument DelimitersVariant
- Data version
- 5.1
- Document digest
- 121111084719f55a7d8792a36a2ec960e6a9976c41543b7fcda898ee29f2b6cc
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
Upgrade to firmware version 1.0.20.52 or later. Ensure the web interface is not exposed to the internet.