privacyIDEA version 2.23.1 and earlier contains a Improper Input Validation vulnerability in token validation api that can result in Denial-of-Service
Published Oct 8, 2018
8.7
HIGHCVSS 4.0
EPSS 1.69%
Description
privacyIDEA version 2.23.1 and earlier contains a Improper Input Validation vulnerability in token validation api that can result in Denial-of-Service. This attack appear to be exploitable via http request with user=<space>&pass= to /validate/check url. This vulnerability appears to have been fixed in 2.23.2.
Affected products
No data.
- ≤ 2.23.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.69% (0.01689) | 76.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01675) | 73.76th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00080) | 34.80th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.08% (0.00080) | 33.41th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.08% (0.00077) | 31.32th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.07% (0.00069) | 28.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00108) | 41.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (5)
- https://github.com/advisories/GHSA-7qqv-r2q4-jxhm Advisory
- https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751 x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/privacyidea/privacyidea/issues/1227 x_refsource_CONFIRMExploitPatchThird Party Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/privacyidea/PYSEC-2018-20.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000809
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-7qqv-r2q4-jxhm | Advisory | |
| https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://github.com/privacyidea/privacyidea/issues/1227 | x_refsource_CONFIRMExploitPatchThird Party Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/privacyidea/PYSEC-2018-20.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-1000809 |
Change history (0)
No recorded changes yet.