← Vulnerability feed

Vulnerability record · CVE-2001-0752 · published 18 October 2001

CVE-2001-0752: Cisco cbos vulnerability

Cisco · Cbos

Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an ICMP ECHO REQUEST (ping) with the IP Record Route option set.

5.0 CVSS 2.0 Medium EPSS 1.7% · top 24.3%
5.0CVSS 2.0 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an ICMP ECHO REQUEST (ping) with the IP Record Route option set.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html PatchVendor Advisory
http://www.osvdb.org/5573
https://exchange.xforce.ibmcloud.com/vulnerabilities/7298
http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html PatchVendor Advisory
http://www.osvdb.org/5573
https://exchange.xforce.ibmcloud.com/vulnerabilities/7298

Track CVE-2001-0752 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2001-0751Cisco cbos vulnerabilityCisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof …EPSS 2.6%7.5CVE-2001-0753Cisco cbos vulnerabilityCisco CBOS 2.3.8 and earlier stores the passwords for (1) exec and (2) enable in cleartext in the NVRAM and a configuration file, which could allow u…EPSS 1.2%5.0CVE-2007-4430Cisco cli improper input validation vulnerabilityUnspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP rout…EPSS 13%5.0CVE-2002-0886Cisco cbos vulnerabilityCisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a larg…EPSS 5.4%5.0CVE-2001-0754Cisco cbos vulnerabilityCisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via a series of large ICMP ECHO REPLY (ping) packets, which cause i…EPSS 1.3%5.0CVE-2001-1064Cisco cbos vulnerabilityCisco 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 rout…EPSS 5.4%5.0CVE-2001-1065Cisco cbos vulnerabilityWeb-based configuration utility in Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap binds itself to port 80 even when web-based configurat…EPSS 1.1%2.1CVE-2001-0444Cisco cbos vulnerabilityCisco CBOS 2.3.0.053 sends output of the "sh nat" (aka "show nat") command to the terminal of the next user who attempts to connect to the router via…EPSS 0.48%

Source: NIST National Vulnerability Database (record CVE-2001-0752), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.