CVE-2024-52513— Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
Quick assessment
Affected
nextcloud security-advisories
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud存在信息泄露漏洞，该漏洞源于收到Files drop或Password protected共享链接后，恶意用户无需提供密码即可下载文本文件中引用的附件。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2024-52513
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud存在信息泄露漏洞，该漏洞源于收到Files drop或Password protected共享链接后，恶意用户无需提供密码即可下载文本文件中引用的附件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 28.0.0, < 28.0.11 | - |
|
II. Public POCs for CVE-2024-52513
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2024-52513
请登录查看更多情报信息。
Vendor Advisories for CVE-2024-52513 (1)
Proof of Concept for CVE-2024-52513 (1)
Same Patch Batch · nextcloud · 2024-11-15 · 17 CVEs total
| CVE-2024-52508 | 8.2 HIGH | Nextcloud Mail auto configurator can be tricked into sending account information to wrong |
| CVE-2024-52511 | 6.3 MEDIUM | Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables |
| CVE-2024-52515 | 5.7 MEDIUM | Nextcloud Server has incomplete sanitization of SVG files allows to embed other images int |
| CVE-2024-52520 | 5.7 MEDIUM | Nextcloud Server's link reference provider can be tricked into downloading bigger files th |
| CVE-2024-52517 | 4.6 MEDIUM | Nextcloud Server's global credentials of external storages are sent back to the frontend |
| CVE-2024-52523 | 4.6 MEDIUM | Nextcloud Server Custom defined credentials of external storages are sent back to the fron |
| CVE-2024-52518 | 4.4 MEDIUM | Nextcloud Server is missing password confirmation when changing external storage options |
| CVE-2024-52510 | 4.2 MEDIUM | Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signatur |
| CVE-2024-52514 | 4.1 MEDIUM | Nextcloud Server allows users to copy folder that contain files that are blocked by the fi |
| CVE-2024-52509 | 3.5 LOW | Nextcloud Mail app does not respect download permissions in shares |
| CVE-2024-52507 | 3.5 LOW | Share information of the Nextcloud Tables app is not limited to affected users |
| CVE-2024-52512 | 3.3 LOW | Nextcloud User OIDC has an open redirection when logging in with User OIDC |
| CVE-2024-52516 | 3.0 LOW | Nextcloud Server's shares are not removed when user is limited to share with in their grou |
| CVE-2024-52519 | 2.7 LOW | Nextcloud Server's OAuth2 client secrets were stored in a recoverable way |
| CVE-2024-52521 | 2.6 LOW | Nextcloud Server has a potential hash collision for background jobs could skip queuing the |
| CVE-2024-52525 | 1.8 LOW | Nextcloud Server User password is available in memory of the PHP process |
IV. Related Vulnerabilities
Same product: security-advisories
-
CVE-2026-81515
Steeltoe.Discovery.Eureka: malformed enum/bool/timestamp fie -
CVE-2026-81516
Steeltoe.Discovery.Consul: malformed 'secure' metadata abort -
CVE-2026-81868
Steeltoe: Header-forwarded client cert lacks proof of privat -
CVE-2026-75523
Steeltoe.Management.Endpoint: HttpExchanges URI masking leak -
CVE-2026-24754
Kiteworks Secure Data Forms Vulnerable to Cross-site Scripti
Same weakness: CWE-200
-
CVE-2026-105098
Omega Solution CoinEx Crypto Support Ticket API customer inf -
CVE-2026-105120
OpenAM before 16.1.3 Cross-Realm Session Disclosure via Sess -
CVE-2026-71883
Native AES packet cipher returns the raw AES key on an alias -
CVE-2026-100149
WPZOOM Connect: AI Chat, Click to Chat, Social Icons & Share -
CVE-2026-105030
Kener 4.0.0 before 4.1.6 Hidden Monitor Data Disclosure via
V. Comments for CVE-2024-52513
No comments yet