Cisco TelePresence TC Software before 5.1.7 and TE Software before 4.1.3 allow remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCue01743.
Conclusion & alert: CVE-2013-3377 is rated Moderate Risk (59.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.89%). Core evidence: EPSS rose +1.46% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.43% | 1.89% | +1.46% |
| 2 | 2025-03-30 | 0.45% | 0.43% | -0.02% |
| 3 | 2025-03-29 | — | 0.45% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | telepresence_tc_software | <= 5.1.6 | cpe:2.3:a:cisco:telepresence_tc_software:*:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.0.0 | cpe:2.3:a:cisco:telepresence_tc_software:5.0.0:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.0.1 | cpe:2.3:a:cisco:telepresence_tc_software:5.0.1:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.0.2 | cpe:2.3:a:cisco:telepresence_tc_software:5.0.2:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.0 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.0:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.1 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.1:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.2 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.2:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.3 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.3:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.4 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.4:*:*:*:*:*:*:* |
| cisco | telepresence_tc_software | 5.1.5 | cpe:2.3:a:cisco:telepresence_tc_software:5.1.5:*:*:*:*:*:*:* |
| cisco | ip_video_phone_e20 | — | cpe:2.3:h:cisco:ip_video_phone_e20:-:*:*:*:*:*:*:* |
| cisco | telepresence_codec_c40 | — | cpe:2.3:h:cisco:telepresence_codec_c40:-:*:*:*:*:*:*:* |
| cisco | telepresence_codec_c60 | — | cpe:2.3:h:cisco:telepresence_codec_c60:-:*:*:*:*:*:*:* |
| cisco | telepresence_codec_c90 | — | cpe:2.3:h:cisco:telepresence_codec_c90:-:*:*:*:*:*:*:* |
| cisco | telepresence_ex60 | — | cpe:2.3:h:cisco:telepresence_ex60:-:*:*:*:*:*:*:* |
| cisco | telepresence_ex90 | — | cpe:2.3:h:cisco:telepresence_ex90:-:*:*:*:*:*:*:* |
| cisco | telepresence_mx200 | — | cpe:2.3:h:cisco:telepresence_mx200:-:*:*:*:*:*:*:* |
| cisco | telepresence_mx300 | — | cpe:2.3:h:cisco:telepresence_mx300:-:*:*:*:*:*:*:* |
| cisco | telepresence_profile_55 | — | cpe:2.3:h:cisco:telepresence_profile_55:-:*:*:*:*:*:*:* |
| cisco | telepresence_profile_65 | — | cpe:2.3:h:cisco:telepresence_profile_65:-:*:*:*:*:*:*:* |
| cisco | telepresence_quick_set_c20 | — | cpe:2.3:h:cisco:telepresence_quick_set_c20:-:*:*:*:*:*:*:* |
| cisco | telepresence_quick_set_sx20 | — | cpe:2.3:h:cisco:telepresence_quick_set_sx20:-:*:*:*:*:*:*:* |
| cisco | telepresence_te_software | <= 4.1.2 | cpe:2.3:a:cisco:telepresence_te_software:*:*:*:*:*:*:*:* |
| cisco | telepresence_te_software | 4.1.0 | cpe:2.3:a:cisco:telepresence_te_software:4.1.0:*:*:*:*:*:*:* |
| cisco | telepresence_te_software | 4.1.1 | cpe:2.3:a:cisco:telepresence_te_software:4.1.1:*:*:*:*:*:*:* |