CVE-2024-20510

MEDIUMNVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2024-09-25. NVD baseline CVSS 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 4.7Exploit: None knownExposed services: Not assessed

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

A vulnerability in the Central Web Authentication (CWA) feature of Cisco IOS XE Software for Wireless Controllers could allow an unauthenticated, adjacent attacker to bypass the pre-authentication access control list (ACL), which could allow access to network resources before user authentication. This vulnerability is due to a logic error when activating the pre-authentication ACL that is received from the authentication, authorization, and accounting (AAA) server. An attacker could exploit this vulnerability by connecting to a wireless network that is configured for CWA and sending traffic through an affected device that should be denied by the configured ACL before user authentication. A successful exploit could allow the attacker to bypass configured ACL protections on the affected device before the user authentication is completed, allowing the attacker to access trusted networks that the device might be protecting.

CVSS v3
4.7
EG Score
4.7MEDIUMmedium confidence
EG Risk
21
EG Risk 21/100CISA SSVC

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
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
18th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 25, 2024

Last Modified

October 3, 2024

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 23× 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.

Showing the most recent 100 of 170 total refreshes for this CVE.

  1. 2026-10-09 20:05 UTCEPSS rescore
  2. 2026-10-08 17:07 UTCEPSS rescore
  3. 2026-10-07 23:46 UTCEPSS rescore
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  8. 2026-10-01 19:48 UTCEPSS rescore
  9. 2026-09-30 16:51 UTCEG score recompute
  10. 2026-09-30 15:01 UTCEPSS rescore
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  12. 2026-09-28 13:49 UTCEPSS rescore
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  1. 2026-09-06 13:46 UTCEPSS rescore
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  7. 2026-08-30 19:15 UTCEPSS rescore
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  23. 2026-08-13 21:58 UTCEPSS rescore
  24. 2026-08-12 13:49 UTCEPSS rescore
  25. 2026-08-11 13:40 UTCEPSS rescore
  26. 2026-08-09 13:45 UTCEPSS rescore
  27. 2026-08-08 16:35 UTCEPSS rescore
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  39. 2026-07-27 14:11 UTCEPSS rescore
  40. 2026-07-26 14:53 UTCEPSS rescore
  41. 2026-07-25 14:16 UTCEPSS rescore
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  43. 2026-07-23 14:17 UTCEPSS rescore
  44. 2026-07-23 14:17 UTCEPSS rescore
  45. 2026-07-23 02:33 UTCEG score recompute
  46. 2026-07-22 23:19 UTCEG score recompute
  47. 2026-07-22 14:07 UTCEPSS rescore
  48. 2026-07-21 15:23 UTCEPSS rescore
  49. 2026-07-21 15:23 UTCEPSS rescore
  50. 2026-07-20 17:06 UTCEPSS rescore
  51. 2026-07-19 14:30 UTCEPSS rescore
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  53. 2026-07-19 02:28 UTCEPSS rescore
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  66. 2026-07-09 19:09 UTCEPSS rescore
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  71. 2026-07-06 16:26 UTCEPSS rescore
  72. 2026-07-06 02:22 UTCEPSS rescore
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  74. 2026-07-05 02:29 UTCEPSS rescore
  75. 2026-07-01 15:05 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-20510?
CVE-2024-20510 is a medium vulnerability published on September 25, 2024. A vulnerability in the Central Web Authentication (CWA) feature of Cisco IOS XE Software for Wireless Controllers could allow an unauthenticated, adjacent attacker to bypass the pre-authentication access control list (ACL), which could allow access to network resources before user authentication.…
When was CVE-2024-20510 disclosed?
CVE-2024-20510 was first published on September 25, 2024, with the most recent update on October 3, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-20510 actively exploited?
CVE-2024-20510 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (18th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-20510?
CVE-2024-20510 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2024-20510?
No fix for CVE-2024-20510 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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