Dropbox
CVE-2022-4768
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Input neutralization, injection prevention
|
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
A vulnerability was found in Dropbox merou. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. 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-74. A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability. Affected products include: Dropbox Merou.
Know when Dropbox gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
VulDB
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.
Affected Products (CPE)NVD
Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in the function aligned_dealloc():sr
Dropbox.exe (and QtWebEngineProcess.exe in the Web Helper) in the Dropbox desktop application 71.4.108.0 store cleartext
In the Samly package before 1.4.0 for Elixir, Samly.State.Store.get_assertion/3 can return an expired session, which int
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers
An issue was discovered in Dropbox Lepton 1.2.1. Rated medium severity (CVSS 5.5), this vulnerability is no authenticati
Authentication bypass via SAML assertion replay affects Samly, the Elixir/Plug SAML 2.0 Service Provider library from Dr
Dropbox Desktop Folder Sharing Mark-of-the-Web Bypass Vulnerability. Rated high severity (CVSS 8.8), this vulnerability
Unauthenticated memory exhaustion in the Erlang esaml SAML library (version 0.1.0 and later) lets a remote attacker cras
Unauthenticated remote denial of service in the Erlang SAML library esaml (0.1.0 and later) allows an attacker to abort
Authentication bypass in the Elixir SAML library samly (v0.3.0+) allows an attacker holding a validly IdP-signed SAML as
Dropbox SDK for Android before 1.6.2 might allow remote attackers to obtain sensitive information via crafted malware or
An issue was discovered in the com.getdropbox.Dropbox app 100.2 for iOS. Rated medium severity (CVSS 6.4), this vulnerab
Exploit-DB