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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-48938

21
FAUCET Score

CVE-2024-48938 describes a Denial of Service (DoS) vulnerability affecting Znuny versions LTS 6.5.1 through 6.5.10 and 7.0.1 through 7.0.16. This vulnerability allows an unauthenticated attacker to trigger high CPU usage and block email parsing by sending specially crafted emails containing HTML copied from Microsoft Word. With a CVSS score of 7.5 (High), the attack requires no user interaction and can lead to a complete denial of service for the affected system. Currently, there is no evidence of active exploitation, public exploit code (e.g., Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.0.0, < 6.1.0CPE matchmatch criteria
cpe:2.3:a:znuny:znuny:*:*:*:*:lts:*:*:*
>= 6.5.1, <= 6.5.10CPE matchmatch criteria
cpe:2.3:a:znuny:znuny:*:*:*:*:lts:*:*:*
>= 7.0.1, <= 7.0.16CPE matchmatch criteria
cpe:2.3:a:znuny:znuny:*:*:*:*:-:*:*:*

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:N/I:N/A:H

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

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 22nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

znuny.com
Product
znuny.org / en/advisories
Vendor Advisory
znuny.org / en/advisories/zsa-2024-04
Vendor Advisory