Security readout for executives and security teams
Eternal Terminal 6.2.1 can mishandle telemetry files in /tmp using predictable fixed paths. A local user may be able to influence or read telemetry data handled by etserver. This is not a remote internet exploit, but it matters on shared servers or systems where untrusted users have shell access. Exposure is most likely on Linux or Unix-like hosts running Eternal Terminal etserver 6.2.1, especially multi-user systems, jump hosts, developer servers, or shared environments where local users are not fully trusted. Treat as a moderate local privilege-adjacent risk. Prioritize shared infrastructure and administrative access systems, but do not treat it like a remotely exploitable emergency based on the provided evidence. Mitigation focus: Check upstream and distribution advisories for corrected Eternal Terminal packages.; Remove or disable Eternal Terminal where it is not operationally required.; Restrict local shell access on hosts running etserver..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-59: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-23558 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N15.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/MisterTea/EternalTerminalCVE reference
- https://bugzilla.suse.com/show_bug.cgi?id=1207126CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Link Resolution Before File Access ('Link Following')
Improper Link Resolution Before File Access ('Link Following') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.