Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to…
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of service via multiple connections to the router on the (1) HTTP or (2) telnet service, which causes the router to become unresponsive and stop forwarding packets.
Why it matters now
EPSS 0.05369 92nd 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 · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:* | up to 2.4.2ap | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:* | 2.1.0a | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:* | 2.2.1a | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:* | 2.3.5 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:* Versions up to 2.4.2ap Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:* Versions 2.1.0a Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:* Versions 2.2.1a Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Vulnerable ·Cisco
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:* | 2.3.7 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:* | 2.3.8 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:* | 2.3.9 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:* Versions 2.3.8 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1064
- 2026-10-03 Alias added: GHSA-3f6g-q6j8-gjpg
References
More Cisco Cbos vulnerabilities
- TI-2001-00722 Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial… CVSS 2.0HIGH 7.5
- TI-2007-04290 Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent… CVSS 2.0MEDIUM 5.0
- TI-2001-00724 Cisco CBOS 2.3.8 and earlier stores the passwords for (1) exec and (2) enable in… CVSS 2.0HIGH 7.5
- TI-2002-00860 Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2001-00723 Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an… CVSS 2.0MEDIUM 5.0
- TI-2001-01020 Web-based configuration utility in Cisco 600 series routers running CBOS 2.0.1 through… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2001-1064 · CVE Program
- CVE-2001-1064 · NVD
- FIRST EPSS
- GHSA-3f6g-q6j8-gjpg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences