Cisco
cisco-sa-hardening-iosxr-qg64NcM
Cisco IOS XR Software Security Hardening Release: September 2026
Critical9.8
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สรุปจากผู้ผลิต
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxr-qg64NcM
Product ที่ได้รับผลกระทบ
Cisco IOS XR Software
- เวอร์ชันที่ได้รับผลกระทบ
- 3.0.0, 3.0.1, 2.0.0, 3.2.0, 3.2.3, 3.2.2, 3.2.1, 3.2.4, 3.2.50, 3.2.6, 3.3.0, 3.3.4, 3.3.3, 3.3.2, 3.3.1, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.5.0, 3.5.2, 3.5.3, 3.5.4, 3.6.1, 3.6.2, 3.6.3, 3.6.0, 3.7.1, 3.7.2, 3.7.3, 3.7.0, 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.8.4, 3.9.0, 3.9.1, 3.9.2, 3.9.3, 4.0.1, 4.0.2, 4.0.0, 4.0.3, 4.0.4, 4.0.11, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.1.K9SEC, 5.1.4, 5.1.11, 5.1.12, 5.2.0, 5.2.1, 5.2.2, 5.2.4, 5.2.3, 5.2.5, 5.2.21, 5.2.47, 5.2.6, 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.31, 5.0.0, 5.0.1, 6.0.0, 6.0.1, 6.0.2, 6.0.2.01, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.12, 6.1.22, 6.1.32, 6.1.11, 6.1.21, 6.1.31, 6.1.33, 6.1.36, 6.1.42, 6.1.45, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.25, 6.2.11, 6.2.8, 6.2.9, 6.3.0, 6.3.1, 6.3.2, 6.3.3, 6.3.15, 6.4.0, 6.4.1, 6.4.2, 6.4.9999, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.5.3, 6.5.15, 6.5.25, 6.5.26, 6.5.28, 6.5.29, 6.5.36, 6.5.90, 6.5.92, 6.5.93, 6.5.31, 6.5.32, 6.5.33, 6.5.35, 6.5.351, 6.5.352, 6.5.353, 6.6.0, 6.6.1, 6.6.2, 6.6.3, 6.6.25, 6.6.11, 6.6.12, 6.6.406, 6.6.560, 6.6.90, 6.6.4, 7.0.0, 7.0.1, 7.0.2, 7.0.11, 7.0.12, 7.0.208, 7.0.213, 7.0.216, 7.0.219, 7.0.220, 7.0.90, 7.0.14, 7.1.0, 7.1.1, 7.1.15, 7.1.119, 7.1.122, 7.1.2, 7.1.25, 7.1.3, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.7.4, 6.7.35, 7.2.0, 7.2.1, 7.2.141, 7.2.12, 7.2.2, 7.3.1, 7.3.15, 7.3.16, 7.3.2, 7.3.3, 7.3.27, 7.3.4, 7.3.5, 7.3.6, 7.4.1, 7.4.15, 7.4.16, 7.4.2, 6.8.1, 6.8.2, 7.5.1, 7.5.3
- เวอร์ชันที่แก้ไขแล้ว
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Cisco IOS XR Software Base
- เวอร์ชันที่ได้รับผลกระทบ
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- เวอร์ชันที่แก้ไขแล้ว
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CVE ที่เกี่ยวข้อง (7)
| CVE | CVSS | EPSS | KEV |
|---|---|---|---|
| CVE-2026-20274 | Critical9.8 v3.1 | — | — |
| CVE-2026-20275 | High8.8 v3.1 | — | — |
| CVE-2026-20276 | High8.6 v3.1 | — | — |
| CVE-2026-20277 | High8.2 v3.1 | — | — |
| CVE-2026-20278 | High8.8 v3.1 | — | — |
| CVE-2026-20279 | Critical9.8 v3.1 | — | — |
| CVE-2026-20280 | High8.8 v3.1 | — | — |
EPSS = โอกาสที่ช่องโหว่จะถูกใช้โจมตีใน 30 วันข้างหน้า (FIRST.org) · P = percentile