HIGH
TGCaptcha2 version 0.3.0 is vulnerable to a replay attack due to a missing nonce allowing attackers to use a single solved CAPTCHA multiple times
Published Oct 25, 2016
7.5
HIGHCVSS 3.0
EPSS 1.33%
Description
TGCaptcha2 version 0.3.0 is vulnerable to a replay attack due to a missing nonce allowing attackers to use a single solved CAPTCHA multiple times.
Affected products
No data.
- 0.3.0
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
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.
1.33% 0.01332
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01332
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 | 1.33% (0.01332) | 70.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.33% (0.01332) | 67.31th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.57% (0.00575) | 66.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00118) | 47.49th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.12% (0.00118) | 46.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00118) | 44.06th | 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) |
Weaknesses (1)
References (2)
- https://bugzilla.redhat.com/show_bug.cgi?id=1316083 x_refsource_MISCIssue TrackingThird Party AdvisoryVDB Entry
- https://patrick.uiterwijk.org/2016/03/09/fedora-spam-dwf-2016-89000/ x_refsource_MISCTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1316083 | x_refsource_MISCIssue TrackingThird Party AdvisoryVDB Entry | |
| https://patrick.uiterwijk.org/2016/03/09/fedora-spam-dwf-2016-89000/ | x_refsource_MISCTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 25, 2016
Updated Aug 6, 2024
Reserved Oct 24, 2016
Link CVE-2016-1000032
CISA Vulnrichment
Updated n/a