CVE-2023-2523 (GCVE-0-2023-2523)
Vulnerability from cvelistv5 – Published: 2023-05-04 18:00 – Updated: 2024-08-02 06:26Title
Weaver E-Office unrestricted upload
Summary
A vulnerability was found in Weaver E-Office 9.5. It has been rated as critical. Affected by this issue is some unknown functionality of the file App/Ajax/ajax.php?action=mobile_upload_save. The manipulation of the argument upload_quwan leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-228014 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
7.3 (High)
7.3 (High)
CWE
- CWE-434 - Unrestricted Upload
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.228014 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.228014 | signaturepermissions-required |
| https://github.com/RCEraser/cve/blob/main/Weaver.md | exploit |
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a36fb12d-1e7e-4c76-813c-4adc7c926efd
Exploited: Yes
Timestamps
First Seen: 2023-05-04
Asserted: 2023-05-04
Scope
Notes: Weaver E-Office unrestricted upload | Affected: Weaver / E-Office | CVSS: 7.3 (HIGH) | EPSS: 0.32895 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Weaver E-Office unrestricted upload |
| Cve Id | CVE-2023-2523 |
| Vendor | Weaver |
| Ghsa Id | GHSA-W8G9-XRV8-VFW2 |
| Product | E-Office |
| Added Date | 2023-05-04T18:00:05.000Z |
| Cvss Score | 7.3 |
| Epss Score | 0.32895 |
| Previous Ids | |
| Cvss Severity | HIGH |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.98309 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2023-2523 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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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.
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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.
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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.
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