MEDIUM
The login protocol in RealChat 3.5.1b does not use authentication, which allows remote attackers to log on as other users by sniffing the beginning of a chat session and replaying it via a modified username
Published Jul 27, 2005
5.0
MEDIUMCVSS 2.0
EPSS 1.49%
Description
The login protocol in RealChat 3.5.1b does not use authentication, which allows remote attackers to log on as other users by sniffing the beginning of a chat session and replaying it via a modified username.
Affected products
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.49% 0.01492
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01492
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.49% (0.01492) | 73.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.49% (0.01492) | 70.68th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00669) | 69.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.76% (0.00759) | 81.80th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.76% (0.00764) | 80.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.76% (0.00764) | 78.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (4)
- http://seclists.org/lists/bugtraq/2005/Jul/0403.html mailing-listx_refsource_BUGTRAQExploitVendor Advisory
- http://securitytracker.com/id?1014562 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/bid/14358 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21497 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/lists/bugtraq/2005/Jul/0403.html | mailing-listx_refsource_BUGTRAQExploitVendor Advisory | |
| http://securitytracker.com/id?1014562 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/14358 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/21497 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 27, 2005
Updated Aug 7, 2024
Reserved Jul 27, 2005
Link CVE-2005-2403
CISA Vulnrichment
Updated n/a