CVE-2024-21411
CVE-2024-21411 is a high-severity vulnerability in Skype with a CVSS 3.x base score of 8.8. 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-453.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-19120
- Weakness: CWE-453
- Affected product: Skype
- Published:
- Last modified:
Description
Skype for Consumer Remote Code Execution Vulnerability
Frequently asked questions
- What is CVE-2024-21411?
- Skype for Consumer Remote Code Execution Vulnerability
- How severe is CVE-2024-21411?
- CVE-2024-21411 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-21411 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-21411?
- CVE-2024-21411 affects Skype. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-21411?
- 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.
- Does CVE-2024-21411 have an EU (EUVD) identifier?
- Yes. CVE-2024-21411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19120.
- When was CVE-2024-21411 published?
- CVE-2024-21411 was published on 2024-03-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:skype:skype:*:*:*:*:*:*:*:*
More vulnerabilities in Skype
- CVE-2009-4741 — Critical (CVSS 10.0): Unspecified vulnerability in the Extras Manager before 2.0.0.67 in Skype before 4.1.0.179 on Windows has unknown impact…
- CVE-2010-3136 — Critical (CVSS 9.3): Untrusted search path vulnerability in Skype 4.2.0.169 and earlier allows local users, and possibly remote attackers,…
- CVE-2011-2074 — High (CVSS 8.5): Unspecified vulnerability in the client in Skype 5.x before 5.1.0.922 on Mac OS X allows remote authenticated users to…
- CVE-2004-1778 — Medium (CVSS 4.6): Skype 0.92.0.12 and 1.0.0.1 for Linux, and possibly other versions, creates the /usr/share/skype/lang directory with…
- CVE-2006-2312 — Low (CVSS 2.6): Argument injection vulnerability in the URI handler in Skype 2.0.*.104 and 2.5.*.0 through 2.5.*.78 for Windows allows…
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