CVE-2021-41193
CVE-2021-41193 is a critical-severity vulnerability in Wire Wire-audio Video Signaling with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-134
- Affected product: Wire Wire-audio Video Signaling
- Published:
- Last modified:
Description
wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.
Frequently asked questions
- What is CVE-2021-41193?
- wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.
- How severe is CVE-2021-41193?
- CVE-2021-41193 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-41193 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-41193?
- CVE-2021-41193 affects Wire Wire-audio Video Signaling. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-41193?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-41193 published?
- CVE-2021-41193 was published on 2022-03-01 and last updated on 2026-06-17.
References
- https://github.com/wireapp/wire-avs/commit/40d373ede795443ae6f2f756e9fb1f4f4ae90bbe
- https://github.com/wireapp/wire-avs/security/advisories/GHSA-2j6v-xpf3-xvrv
Affected products (1)
- cpe:2.3:a:wire:wire-audio_video_signaling:*:*:*:*:*:*:*:*
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