HOMEVULNERABILITIESCVE-2022-4768
CRITICAL

CVE-2022-4768

CWE-74Published: December 27, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-4768 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dropbox1 product(s)
merou
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107
PATCHhttps://github.com/dropbox/merou/pull/673
PATCHhttps://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107
PATCHhttps://github.com/dropbox/merou/pull/673
ADVISORYhttps://vuldb.com/?ctiid.216906
ADVISORYhttps://vuldb.com/?id.216906
ADVISORYhttps://vuldb.com/?ctiid.216906
ADVISORYhttps://vuldb.com/?id.216906

All References (8)

→
https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107Patch · Third Party Advisory
→
https://github.com/dropbox/merou/pull/673Patch · Third Party Advisory
→
https://vuldb.com/?ctiid.216906Third Party Advisory
→
https://vuldb.com/?id.216906Third Party Advisory
→
https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107Patch · Third Party Advisory
→
https://github.com/dropbox/merou/pull/673Patch · Third Party Advisory
→
https://vuldb.com/?ctiid.216906Third Party Advisory
→
https://vuldb.com/?id.216906Third Party Advisory

Quick Facts

CVE IDCVE-2022-4768
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-74
CISA KEVNo
Affected1 vendor(s)
PublishedDec 27, 2022

Related CVEs (CWE-74)

CVE-2020-26282
10.0
CVE-2023-1523
10.0
CVE-2023-32314
10.0
CVE-2024-42472
10.0
CVE-2022-24760
10.0
CVE-2023-30547
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-4768 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-4768·NVD