Cisco
C
CAUTION
2,097
Total CVEs
1,386
Crit / High
702
Medium
81%
Unpatched
1%
Patched
7.5
Avg CVSS
52
CISA KEV
// Data sourced from NVD · CISA KEV · RHSA · GHSA · Debian · OSV · EPSS · Exploit-DB
How we collect data →
CVE Trend by Year
Patch Coverage
✓ 24 patched ✗ 1,691 unpatched ~ 378 under review ⏳ 4 pending score
Stock — NASDAQ:CSCO
Yahoo Finance ↗
$109.89
Price (CSCO)
-2.26 (-2.02%)
Today's Change
$112.50
Day High
$109.85
Day Low
$112.15
Prev Close
6541028
Volume
Yahoo Finance via Directus cache · updated daily · 2026-08-28
Stock vs CVE Correlation — NASDAQ:CSCO
click legend to toggle ↑
2026-03-02 → 2026-08-28
HIGH/CRITICAL CVEs in period — stock price impact next trading day:
| CVE ID | CVSS | Published | Stock on day | Next day Δ | +7d Δ |
|---|---|---|---|---|---|
| CVE-2026-20359 | 9.9 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-76378 | 4.3 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-20318 | 9.6 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-76390 | 5.3 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-20320 | 7.5 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-76379 | 4.3 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-20177 | 5.3 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-76389 | 8.8 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-20314 | 5.0 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
| CVE-2026-20030 | 10.0 | 2026-08-19 | $110.55 | -0.87% | -0.60% |
Alpha Vantage · EOD prices · not financial advice
Intelligence by Audience
PoC Available
3 / 20 shown
CISA KEV (Exploited)
52
Shodan Dorks
ssl:"cisco" port:443
org:"Cisco" http.status:200
Top EPSS (Exploitation Probability)
🎯 Bug Bounty Program: https://bugbounty.cisco.com
Quick Facts for Reporting
Total CVEs tracked
2,097
Critical severity
254
Actively exploited (CISA)
52
Unpatched ratio
81%
Avg CVSS score
7.5
Security grade
C (CAUTION)
NVD Data Attribution
Source: NIST National Vulnerability Database (NVD) + GitHub Advisory Database.
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-10-12
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-10-12
Security Risk Score (for investors)
HIGH
Vuln Volume
POOR
Patch Responsiveness
HIGH
CISA Exposure
NASDAQ:CSCO currently trades at
$109.89,
down -2.26 (-2.02%) today.
Security risk grade: C — CAUTION.
⚠ Not financial advice. Past security incidents do not guarantee future stock performance.
Security News Google News
Recent CVEs
showing 20 of 2,097
| CVE ID | Severity | Patch | EPSS | Date |
|---|---|---|---|---|
| CVE-2026-76458 | 8.6 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-20321 PoC | 6.5 MEDIUM | UNKNOWN / UNPATCHED | 0.43% | 2026-10-07 |
| CVE-2026-76463 | 8.8 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76484 PoC | 8.8 HIGH | UNKNOWN / UNPATCHED | 0.28% | 2026-10-07 |
| CVE-2026-76501 | 9.8 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-20032 | 4.4 MEDIUM | UNKNOWN / UNPATCHED | 0.11% | 2026-10-07 |
| CVE-2026-76456 | 8.6 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76453 | 8.8 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-20038 | 5.8 MEDIUM | UNKNOWN / UNPATCHED | 0.30% | 2026-10-07 |
| CVE-2026-101886 | 4.0 MEDIUM | UNKNOWN / UNPATCHED | 0.14% | 2026-10-07 |
| CVE-2026-76488 | 6.5 MEDIUM | UNKNOWN / UNPATCHED | 0.29% | 2026-10-07 |
| CVE-2026-76472 PoC | 8.8 HIGH | UNKNOWN / UNPATCHED | 0.13% | 2026-10-07 |
| CVE-2026-76457 | 8.6 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76482 | 10.0 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76465 | 9.8 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-20328 | 9.1 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76467 | 7.5 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76500 | 9.8 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-76480 | 9.8 CRITICAL | UNKNOWN / UNPATCHED | — | 2026-10-07 |
| CVE-2026-20362 | 7.2 HIGH | UNKNOWN / UNPATCHED | — | 2026-10-07 |
Intel
HQSan Jose, California, United States
Founded1984
Employees90,400
CEOChuck Robbins
Ticker NASDAQ:CSCO ↗
CountryUSA
LicenseCommercial
Bug BountyView Program ↗
Trust ScoreC — CAUTION
Max CVSS10.0
Last Updated2026-10-12
Top Weaknesses
CWE-20
Unknown Weakness Type
341 occurrences in Cisco CVEs
(16% of total)
CWE-79
Cross-Site Scripting (XSS)
116 occurrences in Cisco CVEs
(6% of total)
CWE-78
Unknown Weakness Type
81 occurrences in Cisco CVEs
(4% of total)
CWE-20 — Improper Input Validation
Unknown Weakness Type
65 occurrences in Cisco CVEs
(3% of total)
CWE-284
Improper Access Control
53 occurrences in Cisco CVEs
(3% of total)
CWE-400
Uncontrolled Resource Consumption
53 occurrences in Cisco CVEs
(3% of total)
CWE-22
Unknown Weakness Type
48 occurrences in Cisco CVEs
(2% of total)
CWE-120
Buffer Copy Without Size Check
37 occurrences in Cisco CVEs
(2% of total)
Company Profile
Cisco Systems is a multinational technology conglomerate specializing in networking hardware, software, and cybersecurity solutions. Its core products include routers, switches, firewalls, and the Cisco Secure portfolio (e.g., Cisco Secure Firewall, Cisco Secure Endpoint, and Cisco Duo), making it a dominant force in enterprise network infrastructure and security. The company's widespread deployment in critical networks and its extensive CVE history underscore its high relevance in cybersecurity intelligence.
Response Metrics
Est. MTTR ⓘ
~489 days
(Critical)
Mean Time To Remediate. Estimates days from CVE disclosure to patch.
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
CVE Trend ⓘ → stable (+9%)
CVE count 2026 vs 2025:
242 → 264 CVEs
Patch Speed ⓘ Poor (>65% open)
81% of CVEs still unpatched.
Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
Financial Risk Estimate
Est. GDPR Low
€2.0M
Est. GDPR High
€20.0M
Based on 254 critical CVEs, 52 CISA KEV, 81% unpatched. Model: GDPR Art.83 · not legal advice.
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