What is the CVSS score of CVE-2022-37312?

CVE-2022-37312 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2022-37312?

Yes, a public proof-of-concept exploit is available for CVE-2022-37312. Prioritise patching immediately. EPSS: 0.9%.

Open Xchange CVE-2022-37312

MEDIUM

Improper Validation of Specified Quantity in Input (CWE-1284)

2022-12-26 cve@mitre.org

Information Disclosure Open Xchange Open Xchange Appsuite

5.3

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-1284 ASVS 5.0 V2 - Validation and Business Logic Input size validation
Impact	CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
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 0.9% exploitation probability (EPSS)

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AnalysisAI

OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large request body containing a redirect URL to the deferrer servlet. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and 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.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-1284. OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large request body containing a redirect URL to the deferrer servlet. Affected products include: Open-Xchange Open-Xchange Appsuite. Version information: through 7.10.6.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

DescriptionNVD

OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large request body containing a redirect URL to the deferrer servlet.

Threat Intelligence Overview

EPSS Score

0.9%

Top 44% exploitable

Exploit

POC

Public exploit code exists

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 Yes

EPSS 0.9%

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

Poc

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +26

PoC: +20

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:open-xchange_appsuite:*:*:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:-:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5961:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5973:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5976:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5982:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5989:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_5994:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6000:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6003:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6008:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6010:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6016:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6020:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6026:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6029:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6034:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6035:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6038:*:*:*:*:*:*

cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.5:patch_release_6046:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://open-xchange.com

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