CVE-2017-0896

mediumpriority · track · 26OT risk · elevatedEPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.28% (70th) EPSS

CVSS 4 · medium

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zulip group chat application server that allowed an authenticated user to invite other users to join a Zulip organization even if the organization was configured to prevent this.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USprimaryCWE-285US

affected products (20)

Products and version ranges known to be affected.

zulip Zulip Server≤ 1.5.1 and belowenisa_euvdEU
zulip zulip server= 1.3.0nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.1nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.10nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.11nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.12nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.13nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.2nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.3nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.4nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.6nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.7nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.8nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.3.9nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.4.0nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.4.1nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.4.2nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.4.3nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.5.0nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
zulip zulip server= 1.5.1nvdUScpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-06-02modified 2026-06-17

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+11503 more

references (9)

External citations — patches, advisories, analysis.

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