Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device reboot) via a sequence of SIP INVITE transactions in which the Request-URI lacks a user name, a different vulnerability than CVE-2007-4459
Published Dec 18, 2007
7.8
HIGHCVSS 2.0
EPSS 5.99%
Description
Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device reboot) via a sequence of SIP INVITE transactions in which the Request-URI lacks a user name, a different vulnerability than CVE-2007-4459.
Affected products
No data.
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.99% (0.05989) | 93.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.99% (0.05989) | 92.35th | v5 (v2026.06.15) |
| Nov 20, 2025 | 30.12% (0.30123) | 96.42th | v4 (v2025.03.14) |
| Mar 30, 2025 | 22.88% (0.22877) | 95.41th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.01% (0.20014) | 92.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 22.88% (0.22877) | 95.44th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.62% (0.02624) | 90.04th | v3 (v2023.03.01) |
| Oct 21, 2024 | 3.67% (0.03671) | 91.93th | v3 (v2023.03.01) |
| Nov 17, 2023 | 2.61% (0.02615) | 89.19th | v3 (v2023.03.01) |
| Jun 27, 2023 | 3.66% (0.03659) | 90.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.41% (0.04407) | 91.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.79% (0.06790) | 92.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.79% (0.06790) | 91.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.79% (0.06790) | 79.54th | v2 (v2022.01.01) |
References (7)
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058837.html mailing-listx_refsource_FULLDISCExploit
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058932.html mailing-listx_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2007/Dec/0196.html mailing-listx_refsource_FULLDISC
- http://www.securityfocus.com/bid/26711 vdb-entryx_refsource_BIDExploit
- http://www.securitytracker.com/id?1019059 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38853 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/4692 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058837.html | mailing-listx_refsource_FULLDISCExploit | |
| http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058932.html | mailing-listx_refsource_FULLDISC | |
| http://seclists.org/fulldisclosure/2007/Dec/0196.html | mailing-listx_refsource_FULLDISC | |
| http://www.securityfocus.com/bid/26711 | vdb-entryx_refsource_BIDExploit | |
| http://www.securitytracker.com/id?1019059 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/38853 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/4692 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.