HIGH
The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a "sequence of memory allocation failures."
Published Feb 15, 2017
7.5
HIGHCVSS 3.0
EPSS 1.88%
Description
The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a "sequence of memory allocation failures."
Affected products
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.
1.88% 0.01875
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01875
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 | 1.88% (0.01875) | 78.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.88% (0.01875) | 76.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.68% (0.01675) | 80.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00126) | 48.98th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.13% (0.00126) | 47.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00126) | 45.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://www.securitytracker.com/id/1037399 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:36.telnetd.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1037399 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://www.freebsd.org/security/advisories/FreeBSD-SA-16:36.telnetd.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 15, 2017
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1888
CISA Vulnrichment
Updated n/a