CVE-2007-4459 in the critical feed json
Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of…
published 2007-08-21 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4442
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.0%
- EPSS 14.0% chance of exploitation in 30 days, percentile 96%
- public exploits
- 2
- Exploit-DB
Summary
Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.
Patch / fix
- secunia.com/advisories/26547 advisory
Timeline
- First public exploit (EDB-4298)
- Published
Exploit prediction
13.99% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-4298 Cisco IP Phone 7940 - 10 SIP Messages Remote Denial of Service dos, 2007-08-21
- EDB-4297 Cisco IP Phone 7940 - 3 SIP Messages Remote Denial of Service dos, 2007-08-21
- securityfocus.com http://www.securityfocus.com/bid/25378 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
secunia.com
/advisories/26547
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/25378
vdb-entry, exploit
-
cisco.com
/warp/public/707/cisco-sr-20070821-sip.shtml
vendor-advisory
-
vupen.com
/english/advisories/2007/2928
vdb-entry, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/36125
vdb-entry
-
lists.grok.org.uk
/pipermail/full-disclosure/2007-August/065401.html
mailing-list
-
securityreason.com
/securityalert/3042
third-party-advisory
-
lists.grok.org.uk
/pipermail/full-disclosure/2007-August/065402.html
mailing-list
-
securitytracker.com
/id?1018591
vdb-entry
-
osvdb.org
/36695
vdb-entry
Sources
- CVE List CVE-2007-4459
- NVD CVE-2007-4459
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