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01 Record

CVE-2023-28436

Non-interactive Tailscale SSH sessions on FreeBSD may use the effective group ID of the tailscaled process

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.7 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
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02 Description

Non-interactive Tailscale SSH sessions on FreeBSD may use the effective group ID of the tailscaled process

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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 39.9% of scored records. A rank, not a probability.
NVD base score
8.0 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/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
2023-03-23 19:27Z3 YR AGO
Last updated
2025-02-25 14:50Z1 YR AGO
Reserved
2023-03-15
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.7)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
Weaknesses
  • CWE-269Improper Privilege ManagementClass
Data version
5.1
Document digest
3aa677612ae79ed306e7179d783b0304cdfc681d59a226ed711f05750ba1c7e0

05 Affected products

VendorProductVersionsPlatforms
tailscaletailscale>= 1.34.0, < 1.38.2—

06 References