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01 Record

CVE-2023-26455

RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer. Attackers with local or adjacent network access could abuse the RMI service to modify calendar items using RMI.

MediumPUBLISHEDCNA: OX
CNA base score5.6 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
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02 Description

RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer. Attackers with local or adjacent network access could abuse the RMI service to modify calendar items using RMI.

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
0.18% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 7.7% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/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
2023-11-02 13:01Z2 YR AGO
Last updated
2024-08-02 11:53Z2 YR AGO
Reserved
2023-02-22
Assigning CNA
OX
Record state
PUBLISHED
Severity
Medium (CVSS 5.6)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
Weaknesses
  • CWE-287Improper AuthenticationClass
Data version
5.1
Document digest
4f778e8b7d2f642777c942d453f1023cbb741f2aadbbb9c69c48d24504196c55

05 Affected products

VendorProductVersionsPlatforms
OX Software GmbHOX App Suite0 to 7.10.6-rev48, 0 to 8.12—

06 References