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Ox App Suite CVE-2023-24603

MEDIUM
2023-05-29 cve@mitre.org
Information Disclosure Ox App Suite Open Xchange
6.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

OX App Suite before backend 7.10.6-rev37 does not check size limits when downloading, e.g., potentially allowing a crafted iCal feed to provide an unlimited amount of data. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

OX App Suite before backend 7.10.6-rev37 does not check size limits when downloading, e.g., potentially allowing a crafted iCal feed to provide an unlimited amount of data. Affected products include: Open-Xchange Ox App Suite.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

OX App Suite before backend 7.10.6-rev37 does not check size limits when downloading, e.g., potentially allowing a crafted iCal feed to provide an unlimited amount of data.

Threat Intelligence Overview

EPSS Score
0.8%
Top 49% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:open-xchange:ox_app_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:-:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev01:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev02:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev03:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev04:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev05:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev06:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev07:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev08:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev09:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev10:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev11:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev12:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev13:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev14:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev15:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev16:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev17:*:*:*:*:*:*
cpe:2.3:a:open-xchange:ox_app_suite:7.10.6:rev18:*:*:*:*:*:*
+ 18 more

More in Ox App Suite

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9.8 Jul 27

OX App Suite through 7.10.6 allows OS Command Injection via a serialized Java class to the Documentconverter API. Rated

CVE-2022-23100 CRITICAL POC
9.8 Jul 27

OX App Suite through 7.10.6 allows OS Command Injection via Documentconverter (e.g., through an email attachment). Rated
CVE-2022-24406 MEDIUM POC
6.5 Jul 27

OX App Suite through 7.10.6 allows SSRF because multipart/form-data boundaries are predictable, and this can lead to inj
CVE-2021-33491 MEDIUM POC
6.5 Nov 22

OX App Suite through 7.10.5 allows Directory Traversal via ../ in an OOXML or ODF ZIP archive, because of the mishandlin
CVE-2022-23101 MEDIUM POC
6.1 Jul 27

OX App Suite through 7.10.6 allows XSS via appHandler in a deep link in an e-mail message. Rated medium severity (CVSS 6
CVE-2021-38377 MEDIUM POC
6.1 Nov 22

OX App Suite through 7.10.5 allows XSS via JavaScript code in an anchor HTML comment within truncated e-mail, because th
CVE-2021-38375 MEDIUM POC
6.1 Nov 22

OX App Suite through 7.10.5 allows XSS via the alt attribute of an IMG element in a truncated e-mail message. Rated medi
CVE-2021-33495 MEDIUM POC
6.1 Nov 22

OX App Suite 7.10.5 allows XSS via an OX Chat system message. Rated medium severity (CVSS 6.1), this vulnerability is re
CVE-2021-33494 MEDIUM POC
6.1 Nov 22

OX App Suite 7.10.5 allows XSS via an OX Chat room title during typing rendering. Rated medium severity (CVSS 6.1), this
CVE-2021-33492 MEDIUM POC
6.1 Nov 22

OX App Suite 7.10.5 allows XSS via an OX Chat room name. Rated medium severity (CVSS 6.1), this vulnerability is remotel
CVE-2021-33490 MEDIUM POC
6.1 Nov 22

OX App Suite through 7.10.5 allows XSS via a crafted snippet in a shared mail signature. Rated medium severity (CVSS 6.1
CVE-2021-33489 MEDIUM POC
6.1 Nov 22

OX App Suite through 7.10.5 allows XSS via JavaScript code in a shared XCF file. Rated medium severity (CVSS 6.1), this

Same technique Information Disclosure

View all
CVE-2019-2725 CRITICAL POC
9.8
CVE-2021-34523 CRITICAL POC
9.0
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
9.8
CVE-2025-68613 HIGH POC
8.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5

References

Advisories & patches
REF http://seclists.org/fulldisclosure/2023/May/3 REF https://open-xchange.com

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