CVE-2011-3478

Pcanywhere vulnerability

CVSS

10.0

EPSS

39.3%

EPSS pct

98th

Exploited

No known

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.

Affected vendor

Symantec

Affected product

Pcanywhere

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-287 — Improper Authentication

Published

2012-01-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 39.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2011-3478

Confirm whether Symantec Pcanywhere is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-3478.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-3478

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-3478 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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