CVE-2004-0307 json
Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3) allows remote attackers to cause a denial of service…
published 2004-09-01 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0307
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3) allows remote attackers to cause a denial of service (reset) by not sending the ACK portion of the TCP three-way handshake and sending an invalid response instead.
Patch / fix
Exploit prediction
1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
cisco.com
/warp/public/707/cisco-sa-20040219-ONS.shtml
vendor-advisory, patch
-
securityfocus.com
/bid/9699
vdb-entry, patch, vendor-advisory
-
osvdb.org
/4009
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/15265
vdb-entry
Sources
- CVE List CVE-2004-0307
- NVD CVE-2004-0307
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