Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote…
Priority LOW 38CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted series of fragmented (1) IPv4 or (2) IPv6 packets, aka Bug ID CSCtd72617.
Why it matters now
EPSS 0.01982 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:ios_xe:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.3.0t:*:*:*:*:*:*:* | 2.3.0t | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:* | 2.3.1t | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xe:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:ios_xe:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.3.0t:*:*:*:*:*:*:* Versions 2.3.0t Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:* Versions 2.3.1t Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xe:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4291
- 2026-10-03 Alias added: GHSA-2wp8-8f56-4p9g
References
More Cisco Ios Xe vulnerabilities
- TI-2023-06904 Cisco is providing an update for the ongoing investigation into observed exploitation of… KEVCVSS 3.1CRITICAL 10.0
- TI-2018-00122 Memory corruption in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
- TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
- TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
- TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
- TI-2017-04497 Memory corruption in Cisco IOS XE Software KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2015-4291 · CVE Program
- CVE-2015-4291 · NVD
- FIRST EPSS
- GHSA-2wp8-8f56-4p9g · GitHub Advisory Database · CC BY 4.0
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