Is CVE-2011-1970 in the CISA KEV catalog?

No. CVE-2011-1970 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1970?

CVE-2011-1970 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2011-1970?

CVE-2011-1970 has an EPSS score of 23.04% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-1970

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

The DNS server in Microsoft Windows Server 2003 SP2 and Windows Server 2008 SP2, R2, and R2 SP1 does not properly initialize memory, which allows remote attackers to cause a denial of service (service outage) via a query for a nonexistent domain, aka "DNS Uninitialized Memory Corruption Vulnerability."

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

23.04%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.