Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attacke
Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with a large timer value, which causes the host to discard later packets because they appear to be too old.
- Published
- May 31, 2005
- Updated
- Jun 16, 2026
- EPSS
- 82.8% · 100th percentile
- CWE
- —
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Report tools
Action score
45
Plan
Add it to your regular patch cycle.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 25 / 30 · 82.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| cisco | agent desktop | cpe:2.3:a:cisco:agent_desktop |
| cisco | e-mail manager | cpe:2.3:a:cisco:e-mail_manager |
| cisco | emergency responder | cpe:2.3:a:cisco:emergency_responder |
| cisco | intelligent contact manager | cpe:2.3:a:cisco:intelligent_contact_manager |
| cisco | interactive voice response | cpe:2.3:a:cisco:interactive_voice_response |
| cisco | ip contact center enterprise | cpe:2.3:a:cisco:ip_contact_center_enterprise |
| cisco | ip contact center express | cpe:2.3:a:cisco:ip_contact_center_express |
| cisco | meetingplace | cpe:2.3:a:cisco:meetingplace |
| cisco | personal assistant | cpe:2.3:a:cisco:personal_assistant |
| cisco | remote monitoring suite option | cpe:2.3:a:cisco:remote_monitoring_suite_option |
| cisco | secure access control server | cpe:2.3:a:cisco:secure_access_control_server |
| cisco | support tools | cpe:2.3:a:cisco:support_tools |
and 64 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- alaxala alaxala networksax5400s
- alaxala alaxala networksax7800r
- alaxala alaxala networksax7800s
- cisco agent desktopall versions
- cisco aironet ap1200all versions
- cisco aironet ap350all versions
- cisco call manager1.0
- cisco call manager2.0
- cisco call manager3.0
- cisco call manager3.1
- cisco call manager3.1(2)
- cisco call manager3.1(3a)
- cisco call manager3.2
- cisco call manager3.3
- cisco call manager3.3(3)
- cisco call manager4.0
- cisco ciscoworks 1105 hosting solution engineall versions
- cisco ciscoworks 1105 wireless lan solution engineall versions
- cisco ciscoworks access control list manager1.5
- cisco ciscoworks access control list manager1.6
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2005-05-21 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-10 d
- Published
- TodaySep 30, 2026+7792 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:15.tcp.asc
- ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.64/SCOSA-2005.64.txt
- secunia.com/advisories/15393
- secunia.com/advisories/15417/
- secunia.com/advisories/18222
- secunia.com/advisories/18662
- support.avaya.com/elmodocs2/security/ASA-2006-032.htm
- www.cisco.com/warp/public/707/cisco-sn-20050518-tcpts.shtml
- www.kb.cert.org/vuls/id/637934
- exchange.xforce.ibmcloud.com/vulnerabilities/20635
Vendor advisories and official records. Exploit/PoC links are deliberately left out.