CVE-2023-48221
CVE-2023-48221 is a high-severity vulnerability in Wire Audio, Video, And Signaling with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-134
- Affected product: Wire Audio, Video, And Signaling
- Published:
- Last modified:
Description
wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Prior to versions 9.2.22 and 9.3.5, a remote format string vulnerability could potentially allow an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 9.2.22 & 9.3.5 and is already included on all Wire products. No known workarounds are available.
Frequently asked questions
- What is CVE-2023-48221?
- wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Prior to versions 9.2.22 and 9.3.5, a remote format string vulnerability could potentially allow an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 9.2.22 & 9.3.5 and is already included on all Wire products. No known workarounds are available.
- How severe is CVE-2023-48221?
- CVE-2023-48221 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2023-48221 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-48221?
- CVE-2023-48221 affects Wire Audio, Video, And Signaling. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-48221?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-48221 published?
- CVE-2023-48221 was published on 2023-11-20 and last updated on 2026-06-17.
References
- https://github.com/wireapp/wire-avs/commit/364c3326a1331a84607bce2e17126306d39150cd
- https://github.com/wireapp/wire-avs/security/advisories/GHSA-m4xg-fcr3-w3pq
Affected products (1)
- cpe:2.3:a:wire:audio\,_video\,_and_signaling:*:*:*:*:*:*:*:*
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