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cveGitHub_MCVE-2023-32678
HistoryAug 25, 2023 - 9:15 p.m.

CVE-2023-32678

2023-08-2521:15:08
CWE-285
GitHub_M
web.nvd.nist.gov
21
zulip
cve-2023-32678
unauthorized access
message editing
chat security

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

21.6%

Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. Users who used to be subscribed to a private stream and have been removed from it since retain the ability to edit messages/topics, move messages to other streams, and delete messages that they used to have access to, if other relevant organization permissions allow these actions. For example, a user may be able to edit or delete their old messages they posted in such a private stream. An administrator will be able to delete old messages (that they had access to) from the private stream. This issue was fixed in Zulip Server version 7.3.

Affected configurations

Nvd
Vulners
Node
zulipzulip_serverRange<7.3
VendorProductVersionCPE
zulipzulip_server*cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "vendor": "zulip",
    "product": "zulip",
    "versions": [
      {
        "version": "< 7.3",
        "status": "affected"
      }
    ]
  }
]

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

21.6%

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