CVE-2008-6564 json
Nortel UNIStim protocol, as used in Communication Server 1000 and other products, uses predictable sequence numbers, which allows remote at…
published 2009-03-31 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-6527
- cvss
- 7.6
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
Nortel UNIStim protocol, as used in Communication Server 1000 and other products, uses predictable sequence numbers, which allows remote attackers to hijack sessions via sniffing or brute force attacks.
Exploit prediction
2.24% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
References
-
support.nortel.com
/go/main.jsp?cscat=BLTNDETAIL&id=713455
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/41801
vdb-entry
-
osvdb.org
/44379
vdb-entry
-
secunia.com
/advisories/29747
third-party-advisory
- voipshield.com /research-details.php?id=27&s=4&threats_details=&threats_category=0&threats_vendor=0&limit=20&sort=discovered&
-
securityfocus.com
/bid/28691
vdb-entry
-
securitytracker.com
/id?1019847
vdb-entry
Sources
- CVE List CVE-2008-6564
- NVD CVE-2008-6564
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