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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-48221

25
FAUCET Score

CVE-2023-48221 is a remote format string vulnerability affecting wire-avs, the Audio, Visual, and Signaling (AVS) component of the secure messaging software Wire, prior to versions 9.2.22 and 9.3.5. This high-severity vulnerability (CVSS 8.8) allows an authenticated attacker to potentially cause a denial of service or execute arbitrary code with low attack complexity and no user interaction required. The issue has been patched in updated wire-avs versions, and there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.2.22CPE matchmatch criteria
cpe:2.3:a:wire:audio\,_video\,_and_signaling:*:*:*:*:*:*:*:*
>= 9.3.0, <= 9.3.5CPE matchmatch criteria
cpe:2.3:a:wire:audio\,_video\,_and_signaling:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 50th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / wireapp/wire-avs/commit/364c3326a1331a84607bce2e17126306d39150cd
Patch
github.com / wireapp/wire-avs/security/advisories/GHSA-m4xg-fcr3-w3pq
PatchVendor Advisory