HIGH
The RightFax web client uses predictable session numbers, which allows remote attackers to hijack user sessions
Published Jan 22, 2001
7.5
HIGHCVSS 2.0
EPSS 1.40%
Description
The RightFax web client uses predictable session numbers, which allows remote attackers to hijack user sessions.
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.40% 0.01403
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01403
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 | 1.40% (0.01403) | 71.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.40% (0.01403) | 68.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.75% (0.00750) | 71.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00513) | 77.43th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.51% (0.00513) | 75.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.22% (0.01221) | 83.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (1)
- http://www.securityfocus.com/bid/953 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/953 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2001
Updated Aug 8, 2024
Reserved Feb 8, 2000
Link CVE-2000-0111
CISA Vulnrichment
Updated n/a