CVE-2023-2473 (GCVE-0-2023-2473)
Vulnerability from cvelistv5 – Published: 2023-05-02 12:00 – Updated: 2025-01-30 14:16
VLAI
EPSS
VEX
Title
Dreamer CMS Password Hash Calculation UserController.java updatePwd algorithmic complexity
Summary
A vulnerability was found in Dreamer CMS up to 4.1.3. It has been declared as problematic. This vulnerability affects the function updatePwd of the file UserController.java of the component Password Hash Calculation. The manipulation leads to inefficient algorithmic complexity. The attack can be initiated remotely. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227860.
Severity
4.3 (Medium)
4.3 (Medium)
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-30 14:15 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.227860 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.227860 | signaturepermissions-required |
| https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7 | issue-tracking |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Dreamer CMS |
Affected:
4.1.0
Affected: 4.1.1 Affected: 4.1.2 Affected: 4.1.3 |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T06:26:08.525Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vdb-entry",
"technical-description",
"x_transferred"
],
"url": "https://vuldb.com/?id.227860"
},
{
"tags": [
"signature",
"permissions-required",
"x_transferred"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"tags": [
"issue-tracking",
"x_transferred"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-2473",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-30T14:15:34.599277Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-407",
"description": "CWE-407 Inefficient Algorithmic Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-01-30T14:16:41.817Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"Password Hash Calculation"
],
"product": "Dreamer CMS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "4.1.0"
},
{
"status": "affected",
"version": "4.1.1"
},
{
"status": "affected",
"version": "4.1.2"
},
{
"status": "affected",
"version": "4.1.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "tool",
"value": "VulDB Gitee Analyzer"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Dreamer CMS up to 4.1.3. It has been declared as problematic. This vulnerability affects the function updatePwd of the file UserController.java of the component Password Hash Calculation. The manipulation leads to inefficient algorithmic complexity. The attack can be initiated remotely. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227860."
},
{
"lang": "de",
"value": "In Dreamer CMS bis 4.1.3 wurde eine Schwachstelle ausgemacht. Sie wurde als problematisch eingestuft. Es geht um die Funktion updatePwd der Datei UserController.java der Komponente Password Hash Calculation. Mittels Manipulieren mit unbekannten Daten kann eine inefficient algorithmic complexity-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4,
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-407",
"description": "CWE-407 Inefficient Algorithmic Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-23T05:13:48.158Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.227860"
},
{
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"tags": [
"issue-tracking"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-05-02T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2023-05-02T00:00:00.000Z",
"value": "CVE reserved"
},
{
"lang": "en",
"time": "2023-05-02T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2023-05-24T17:16:41.000Z",
"value": "VulDB entry last update"
}
],
"title": "Dreamer CMS Password Hash Calculation UserController.java updatePwd algorithmic complexity"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2023-2473",
"datePublished": "2023-05-02T12:00:09.669Z",
"dateReserved": "2023-05-02T11:43:40.581Z",
"dateUpdated": "2025-01-30T14:16:41.817Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-2473",
"date": "2026-10-20",
"epss": "0.00929",
"percentile": "0.59968"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"modules": [
"Password Hash Calculation"
],
"product": "Dreamer CMS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "4.1.0"
},
{
"status": "affected",
"version": "4.1.1"
},
{
"status": "affected",
"version": "4.1.2"
},
{
"status": "affected",
"version": "4.1.3"
}
]
}
],
"source": "cna@vuldb.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:iteachyou:dreamer_cms:*:*:*:*:*:*:*:*",
"matchCriteriaId": "750BEC92-4A47-48DF-B0F4-FB7A4444FB65",
"versionEndIncluding": "4.1.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Dreamer CMS up to 4.1.3. It has been declared as problematic. This vulnerability affects the function updatePwd of the file UserController.java of the component Password Hash Calculation. The manipulation leads to inefficient algorithmic complexity. The attack can be initiated remotely. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227860."
}
],
"id": "CVE-2023-2473",
"lastModified": "2026-06-17T05:52:40.063",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "cna@vuldb.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-2473",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-30T14:15:34.599277Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-05-02T13:15:25.090",
"references": [
{
"source": "cna@vuldb.com",
"tags": [
"Issue Tracking"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
},
{
"source": "cna@vuldb.com",
"tags": [
"Permissions Required",
"VDB Entry"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"source": "cna@vuldb.com",
"tags": [
"VDB Entry"
],
"url": "https://vuldb.com/?id.227860"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"VDB Entry"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"VDB Entry"
],
"url": "https://vuldb.com/?id.227860"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-407"
}
],
"source": "cna@vuldb.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-407"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T22:40:54+00:00",
"cve": "CVE-2023-2473",
"id": "CVE-2023-2473",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Dreamer CMS Password Hash Calculation UserController.java updatePwd algorithmic complexity",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2473.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T06:26:08.525Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vdb-entry",
"technical-description",
"x_transferred"
],
"url": "https://vuldb.com/?id.227860"
},
{
"tags": [
"signature",
"permissions-required",
"x_transferred"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"tags": [
"issue-tracking",
"x_transferred"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-2473",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-30T14:15:34.599277Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-407",
"description": "CWE-407 Inefficient Algorithmic Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-01-30T14:16:12.829Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"Password Hash Calculation"
],
"product": "Dreamer CMS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "4.1.0"
},
{
"status": "affected",
"version": "4.1.1"
},
{
"status": "affected",
"version": "4.1.2"
},
{
"status": "affected",
"version": "4.1.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "tool",
"value": "VulDB Gitee Analyzer"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Dreamer CMS up to 4.1.3. It has been declared as problematic. This vulnerability affects the function updatePwd of the file UserController.java of the component Password Hash Calculation. The manipulation leads to inefficient algorithmic complexity. The attack can be initiated remotely. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227860."
},
{
"lang": "de",
"value": "In Dreamer CMS bis 4.1.3 wurde eine Schwachstelle ausgemacht. Sie wurde als problematisch eingestuft. Es geht um die Funktion updatePwd der Datei UserController.java der Komponente Password Hash Calculation. Mittels Manipulieren mit unbekannten Daten kann eine inefficient algorithmic complexity-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4,
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-407",
"description": "CWE-407 Inefficient Algorithmic Complexity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-23T05:13:48.158Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.227860"
},
{
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.227860"
},
{
"tags": [
"issue-tracking"
],
"url": "https://gitee.com/isoftforce/dreamer_cms/issues/I6WHO7"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-05-02T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2023-05-02T00:00:00.000Z",
"value": "CVE reserved"
},
{
"lang": "en",
"time": "2023-05-02T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2023-05-24T17:16:41.000Z",
"value": "VulDB entry last update"
}
],
"title": "Dreamer CMS Password Hash Calculation UserController.java updatePwd algorithmic complexity"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2023-2473",
"datePublished": "2023-05-02T12:00:09.669Z",
"dateReserved": "2023-05-02T11:43:40.581Z",
"dateUpdated": "2025-01-30T14:16:41.817Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.