The design of the Internet Key Exchange (IKE) protocol, when using Aggressive Mode for shared secret authentication, does not encrypt initiator or responder identities during negotiation, which may allow remote attackers to determine valid usernames by (1) monitoring responses before the password is supplied or (2) sniffing, as originally reported for FireWall-1 SecuRemote
Published Mar 26, 2005
5.0
MEDIUMCVSS 2.0
EPSS 48.57%
Description
The design of the Internet Key Exchange (IKE) protocol, when using Aggressive Mode for shared secret authentication, does not encrypt initiator or responder identities during negotiation, which may allow remote attackers to determine valid usernames by (1) monitoring responses before the password is supplied or (2) sniffing, as originally reported for FireWall-1 SecuRemote.
Affected products
No data.
- 4.0
- 4.1
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:P/I:N/A:N
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 (50 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 48.57% (0.48573) | 98.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 48.57% (0.48573) | 98.72th | v5 (v2026.06.15) |
| Mar 4, 2026 | 72.46% (0.72457) | 98.74th | v4 (v2025.03.14) |
| Mar 1, 2026 | 9.51% (0.09509) | 92.72th | v4 (v2025.03.14) |
| Feb 18, 2026 | 72.46% (0.72457) | 98.73th | v4 (v2025.03.14) |
| Feb 4, 2026 | 75.05% (0.75045) | 98.83th | v4 (v2025.03.14) |
| Feb 1, 2026 | 11.24% (0.11235) | 93.36th | v4 (v2025.03.14) |
| Jan 4, 2026 | 75.05% (0.75045) | 98.83th | v4 (v2025.03.14) |
| Jan 1, 2026 | 11.24% (0.11235) | 93.32th | v4 (v2025.03.14) |
| Dec 27, 2025 | 75.05% (0.75045) | 98.83th | v4 (v2025.03.14) |
| Dec 4, 2025 | 60.99% (0.60989) | 98.21th | v4 (v2025.03.14) |
| Dec 1, 2025 | 9.98% (0.09980) | 92.80th | v4 (v2025.03.14) |
| Nov 4, 2025 | 60.99% (0.60989) | 98.21th | v4 (v2025.03.14) |
| Nov 1, 2025 | 9.98% (0.09980) | 92.75th | v4 (v2025.03.14) |
| Oct 6, 2025 | 60.99% (0.60989) | 98.24th | v4 (v2025.03.14) |
| Oct 4, 2025 | 78.26% (0.78260) | 98.98th | v4 (v2025.03.14) |
| Oct 1, 2025 | 14.11% (0.14113) | 94.16th | v4 (v2025.03.14) |
| Sep 5, 2025 | 78.56% (0.78559) | 99.00th | v4 (v2025.03.14) |
| Sep 1, 2025 | 16.68% (0.16681) | 94.71th | v4 (v2025.03.14) |
| Aug 6, 2025 | 78.56% (0.78559) | 98.99th | v4 (v2025.03.14) |
| Aug 1, 2025 | 16.68% (0.16681) | 94.69th | v4 (v2025.03.14) |
| Jul 6, 2025 | 78.56% (0.78559) | 98.97th | v4 (v2025.03.14) |
| Jul 1, 2025 | 16.68% (0.16681) | 94.66th | v4 (v2025.03.14) |
| Jun 4, 2025 | 78.56% (0.78559) | 98.97th | v4 (v2025.03.14) |
| Jun 1, 2025 | 16.68% (0.16681) | 94.60th | v4 (v2025.03.14) |
| May 11, 2025 | 78.56% (0.78559) | 98.96th | v4 (v2025.03.14) |
| May 1, 2025 | 16.68% (0.16681) | 94.57th | v4 (v2025.03.14) |
| Apr 19, 2025 | 78.56% (0.78559) | 98.95th | v4 (v2025.03.14) |
| Apr 18, 2025 | 16.68% (0.16681) | 94.51th | v4 (v2025.03.14) |
| Apr 16, 2025 | 78.56% (0.78559) | 98.95th | v4 (v2025.03.14) |
| Apr 14, 2025 | 75.39% (0.75394) | 98.83th | v4 (v2025.03.14) |
| Apr 13, 2025 | 13.38% (0.13381) | 93.59th | v4 (v2025.03.14) |
| Apr 11, 2025 | 75.39% (0.75394) | 98.83th | v4 (v2025.03.14) |
| Apr 10, 2025 | 13.38% (0.13381) | 93.60th | v4 (v2025.03.14) |
| Apr 8, 2025 | 75.39% (0.75394) | 98.83th | v4 (v2025.03.14) |
| Apr 7, 2025 | 13.38% (0.13381) | 93.59th | v4 (v2025.03.14) |
| Mar 30, 2025 | 75.39% (0.75394) | 98.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 71.66% (0.71659) | 98.31th | v4 (v2025.03.14) |
| Mar 26, 2025 | 75.39% (0.75394) | 98.83th | v4 (v2025.03.14) |
| Mar 25, 2025 | 13.38% (0.13381) | 93.51th | v4 (v2025.03.14) |
| Mar 20, 2025 | 75.39% (0.75394) | 98.86th | v4 (v2025.03.14) |
| Mar 19, 2025 | 13.38% (0.13381) | 93.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 75.39% (0.75394) | 98.82th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.65% (0.01651) | 87.22th | v3 (v2023.03.01) |
| Mar 2, 2024 | 0.41% (0.00409) | 73.31th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00431) | 73.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00431) | 70.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- http://lists.grok.org.uk/pipermail/full-disclosure/2002-September/001223.html mailing-listx_refsource_FULLDISC
- http://marc.info/?l=bugtraq&m=103124812629621&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=103176164729351&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.checkpoint.com/techsupport/alerts/ike.html x_refsource_CONFIRM
- http://www.kb.cert.org/vuls/id/886601 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.nta-monitor.com/news/checkpoint.htm x_refsource_MISC
- http://www.securiteam.com/securitynews/5TP040U8AW.html x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/290202 mailing-listx_refsource_BUGTRAQExploit
- http://www.securityfocus.com/bid/5607 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10034 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.grok.org.uk/pipermail/full-disclosure/2002-September/001223.html | mailing-listx_refsource_FULLDISC | |
| http://marc.info/?l=bugtraq&m=103124812629621&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=103176164729351&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.checkpoint.com/techsupport/alerts/ike.html | x_refsource_CONFIRM | |
| http://www.kb.cert.org/vuls/id/886601 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.nta-monitor.com/news/checkpoint.htm | x_refsource_MISC | |
| http://www.securiteam.com/securitynews/5TP040U8AW.html | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/290202 | mailing-listx_refsource_BUGTRAQExploit | |
| http://www.securityfocus.com/bid/5607 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/10034 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.