Is CVE-2011-3478 in the CISA KEV catalog?

No. CVE-2011-3478 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3478?

CVE-2011-3478 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2011-3478?

CVE-2011-3478 has an EPSS score of 39.31% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-3478

HIGHEPSS 98th pctl

10.0

CVSS v2

NVD

Description

The host-services component in Symantec pcAnywhere 12.5.x through 12.5.3, and IT Management Suite pcAnywhere Solution 7.0 (aka 12.5.x) and 7.1 (aka 12.6.x), does not properly filter login and authentication data, which allows remote attackers to execute arbitrary code via a crafted session on TCP port 5631.

CWE-287Improper Authentication

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

39.31%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% 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.