The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, and SSL VPN Module 1000 extracts and executes files with insecure permissions, which allows local users to exploit a race condition to replace a world-writable file in /tmp/NetClient and cause another user to execute arbitrary code when attempting to execute this client, as demonstrated by replacing /tmp/NetClient/client
Published Feb 21, 2007
6.9
MEDIUMCVSS 2.0
EPSS 1.11%
Description
The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, and SSL VPN Module 1000 extracts and executes files with insecure permissions, which allows local users to exploit a race condition to replace a world-writable file in /tmp/NetClient and cause another user to execute arbitrary code when attempting to execute this client, as demonstrated by replacing /tmp/NetClient/client.
Affected products
No data.
Running on/with
- 23.2
Running on/with
- n/a
- n/a
- ≤ 6.0.4
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:L/AC:M/Au:N/C:C/I:C/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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.11% (0.01114) | 64.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.11% (0.01106) | 61.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00147) | 32.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05625) | 90.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05625) | 89.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05625) | 76.72th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- http://osvdb.org/33304 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/24231 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://spoofed.org/blog/archive/2007/02/nortel_vpn_unix_client_local_root_compromise.html x_refsource_MISC
- http://www.securityfocus.com/bid/22632 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017678 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/0671 vdb-entryx_refsource_VUPEN
- http://www116.nortelnetworks.com/pub/repository/CLARIFY/DOCUMENT/2007/08/021886-01.pdf x_refsource_CONFIRM
- http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=540071 x_refsource_CONFIRMPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32597 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/3356 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/33304 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/24231 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://spoofed.org/blog/archive/2007/02/nortel_vpn_unix_client_local_root_compromise.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/22632 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1017678 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/0671 | vdb-entryx_refsource_VUPEN | |
| http://www116.nortelnetworks.com/pub/repository/CLARIFY/DOCUMENT/2007/08/021886-01.pdf | x_refsource_CONFIRM | |
| http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=540071 | x_refsource_CONFIRMPatch | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/32597 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/3356 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.