Security readout for executives and security teams
CVE-2017-0910 is a tenant-isolation flaw in Zulip Server before 1.7.1. On servers hosting multiple realms, an authorized user from one realm could create an account in another realm through the invitation system. Exposure is most likely for self-hosted Zulip Server deployments before 1.7.1 that host multiple realms. Single-realm deployments are not described as affected in the provided sources. Treat this as a moderate priority if the organization runs multi-realm Zulip. It can undermine tenant boundaries, but available sources do not show internet-wide exploitation or unauthenticated attack paths. Mitigation focus: Upgrade Zulip Server to version 1.7.1 or later.; Prioritize multi-realm Zulip deployments before 1.7.1.; Review Zulip's release note and fixing commit for vendor context..
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-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2017-0910 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32CVE reference · x_refsource_CONFIRM
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.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.