It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid
Published Mar 20, 2019
7.5
HIGHCVSS 3.0
EPSS 1.50%
Description
It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.
Affected products
- Vendor n/a Product Dropbear Defaultn/a
- Version fixed in 2013.59StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Dropbear | n/a |
|
- < 2013.59
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.50% (0.01505) | 73.41th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.50% (0.01505) | 73.20th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00135) | 49.34th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.14% (0.00135) | 49.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00135) | 47.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | 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 | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86 x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86 | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.