CVE-2026-20198

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreHIGH confidence

Score 4.8 from GitHub Security Advisory published 2026-08-05. a secondary CVSS source baseline 4.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information.

CVSS v3
4.8
EG Score
4.8(high)
EG Risk
22(Track)
EG Risk 22/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 6, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

Cisco Integrated Management Controller Cross-Site Scripting Vulnerability

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp

Vendor Advisories for CVE-2026-20198(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 14:20 UTCEG score recompute
  3. 2026-08-20 14:20 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 12:36 UTCEG score recompute
  6. 2026-08-19 12:36 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 10:54 UTCEG score recompute
  9. 2026-08-18 10:54 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 09:11 UTCEG score recompute
  12. 2026-08-17 09:11 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 07:28 UTCEG score recompute
  15. 2026-08-16 07:28 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 05:46 UTCEG score recompute
  18. 2026-08-15 05:46 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 04:03 UTCEG score recompute
  21. 2026-08-14 04:03 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 02:21 UTCEG score recompute
  24. 2026-08-13 02:21 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 19 more
  1. 2026-08-12 00:38 UTCEG score recompute
  2. 2026-08-12 00:38 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 22:56 UTCGHSA enrichment
  6. 2026-08-09 21:13 UTCEG score recompute
  7. 2026-08-09 21:13 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 19:31 UTCGHSA enrichment
  10. 2026-08-07 17:48 UTCEG score recompute
  11. 2026-08-07 17:48 UTCGHSA enrichment
  12. 2026-08-06 16:05 UTCEG score recompute
  13. 2026-08-06 16:05 UTCGHSA enrichment
  14. 2026-08-06 13:46 UTCEPSS rescore
  15. 2026-08-05 18:31 UTCEG score recompute
  16. 2026-08-05 18:31 UTCGHSA enrichment
  17. 2026-08-05 17:30 UTCEG score recompute
  18. 2026-08-05 16:52 UTCEG score recompute
  19. 2026-08-05 16:50 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20198?
CVE-2026-20198 is a medium vulnerability published on August 5, 2026. A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An…
When was CVE-2026-20198 disclosed?
CVE-2026-20198 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20198 actively exploited?
CVE-2026-20198 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.9% of all scored CVEs.
What is the CVSS score of CVE-2026-20198?
CVE-2026-20198 has a CVSS v3 base score of 4.8 (NVD).
How do I remediate CVE-2026-20198?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20198, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-20198

Explore →

Is Your Infrastructure Affected by CVE-2026-20198?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs