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CVE-2024-23649

19
FAUCET Score

CVE-2024-23649 is a medium-severity vulnerability affecting Lemmy versions 0.17.0 through 0.19.0, allowing authenticated users to access private message content by exploiting a flaw in the private message reporting function. The attack requires low privileges and network access, leading to a high impact on confidentiality. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.17.0, < 0.19.1CPE matchmatch criteria
cpe:2.3:a:join-lemmy:lemmy:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 50th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
rustpatch availablevia ghsa
Product: lemmy_serverFixed in: 0.19.1

Vendor Advisories (1)

rustGHSA-r64r-5h43-26qvhigh

Any authenticated user may obtain private message details from other users on the same instance

Jan 24, 2024

References

github.com / LemmyNet/lemmy/commit/bc32b408b523b9b64aa57b8e47748f96cce0dae5
Patch
github.com / LemmyNet/lemmy/security/advisories/GHSA-r64r-5h43-26qv
Vendor Advisory