CVE-2014-4071
CVE-2014-4071 is a medium-severity vulnerability in Microsoft Lync Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Lync Server
- Published:
- Last modified:
Description
The Server in Microsoft Lync Server 2013 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon hang) via a crafted request, aka "Lync Denial of Service Vulnerability."
Frequently asked questions
- What is CVE-2014-4071?
- The Server in Microsoft Lync Server 2013 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon hang) via a crafted request, aka "Lync Denial of Service Vulnerability."
- How severe is CVE-2014-4071?
- CVE-2014-4071 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2014-4071 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-4071?
- CVE-2014-4071 affects Microsoft Lync Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2014-4071?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-4071 published?
- CVE-2014-4071 was published on 2014-09-10 and last updated on 2026-06-17.
References
- http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
- http://www.securityfocus.com/bid/69592
- http://www.securitytracker.com/id/1030821
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95547
Affected products (1)
- cpe:2.3:a:microsoft:lync_server:2013:*:*:*:*:*:*:*
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