10

CVE-2011-3478: symantec pcanywhere Improper Authentication

CVSS: 10.0v2.0HighModified
Published 25-01-2012Last modified 06-08-2024

Vulnerability summary

CVE-2011-3478 is a high (CVSS 10.0) Improper Authentication vulnerability in symantec pcanywhere. EPSS estimates a 39.51% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
39.51%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database

Timeline

  1. 25-01-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

39.51%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 39.51% on 18-09-2026

18-09-202618-10-2026
EPSS score
39.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databaseremotewindowsVerified

    Symantec pcAnywhere 12.5.0 - 'Login' / 'Password' Remote Buffer Overflow

    Maturity: weaponized

  • exploit-databaseremotewindows_x86Verified

    Symantec pcAnywhere 12.5.0 (Windows x86) - Remote Code Execution

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Symantec1 product
  • pcanywhere12.5 | 12.5:sp1 | 12.5:sp2 | 12.5:sp3 | 12.5.539 | 12.6.65 | 12.6.65:sp1 | 12.6.7580

1 vendor · 1 product

References

6 links