Is CVE-2011-3494 in the CISA KEV catalog?

No. CVE-2011-3494 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3494?

CVE-2011-3494 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2011-3494?

CVE-2011-3494 has an EPSS score of 55.78% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-3494

HIGHEPSS 99th pctl

10.0

CVSS v2

NVD

Description

WinSig.exe in eSignal 10.6.2425 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long StyleTemplate element in a QUO, SUM or POR file, which triggers a stack-based buffer overflow, or (2) a long Font->FaceName field (aka FaceName element), which triggers a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

55.78%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% 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.