Unscored severity · published Aug 6, 2004
CVE-2004-0551
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and…
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CVSS
3.1%
EPSS
No
On KEV
Description
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C2
Catalyst 2901 · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2902 · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2926 · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2926f · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2926gl · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2926gs · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2926t · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2948 · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2948-ge-tx · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2948g-l3 · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2980g · Cisco
All versions, or not specified · source: NVD
C2
Catalyst 2980g-a · Cisco
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2004-0551
CVE.org
https://www.cve.org/CVERecord?id=CVE-2004-0551
www.cisco.com
http://www.cisco.com/warp/public/707/cisco-sa-20040609-catos.shtml
Third Party Advisory
http://www.kb.cert.org/vuls/id/245190
exchange.xforce.ibmcloud.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/16370
More from Catalyst 2901
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CVE-2005-4258
Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and…