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.
Conclusion & alert: CVE-2011-3478 is rated High Exploit Risk (84.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 39.31%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 38599 | exploit_db | edb | 2015-11-02 | Exploit-DB ↗ |
| 19407 | exploit_db | edb | 2012-06-27 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 56.99% | 39.31% | -17.69% |
| 2 | 2026-05-31 | 46.85% | 56.99% | +10.14% |
| 3 | 2026-05-14 | — | 46.85% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| symantec | pcanywhere | 12.5 | cpe:2.3:a:symantec:pcanywhere:12.5:*:*:*:*:*:*:* |
| symantec | pcanywhere | 12.5 | cpe:2.3:a:symantec:pcanywhere:12.5:sp1:*:*:*:*:*:* |
| symantec | pcanywhere | 12.5 | cpe:2.3:a:symantec:pcanywhere:12.5:sp2:*:*:*:*:*:* |
| symantec | pcanywhere | 12.5 | cpe:2.3:a:symantec:pcanywhere:12.5:sp3:*:*:*:*:*:* |
| symantec | pcanywhere | 12.5.539 | cpe:2.3:a:symantec:pcanywhere:12.5.539:*:*:*:*:*:*:* |
| symantec | pcanywhere | 12.6.65 | cpe:2.3:a:symantec:pcanywhere:12.6.65:*:*:*:*:*:*:* |
| symantec | pcanywhere | 12.6.65 | cpe:2.3:a:symantec:pcanywhere:12.6.65:sp1:*:*:*:*:*:* |
| symantec | pcanywhere | 12.6.7580 | cpe:2.3:a:symantec:pcanywhere:12.6.7580:*:*:*:*:*:*:* |