Dallas Semiconductor iButton DS1991 returns predictable values when given an incorrect password, which makes it easier for users with physical access to conduct dictionary attacks against the device password
Published Apr 21, 2005
4.6
MEDIUMCVSS 2.0
EPSS 0.47%
Description
Dallas Semiconductor iButton DS1991 returns predictable values when given an incorrect password, which makes it easier for users with physical access to conduct dictionary attacks against the device password.
Affected products
No data.
- ds1991
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.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/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 1, 2026.
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 | 0.47% (0.00471) | 38.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00471) | 36.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00148) | 32.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00240) | 62.92th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.24% (0.00240) | 62.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00240) | 60.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.atstake.com/research/advisories/2001/a011801-1.txt vendor-advisoryx_refsource_ATSTAKEExploitVendor Advisory
- http://www.kb.cert.org/vuls/id/178560 third-party-advisoryx_refsource_CERT-VNExploitThird Party AdvisoryUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10625 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.atstake.com/research/advisories/2001/a011801-1.txt | vendor-advisoryx_refsource_ATSTAKEExploitVendor Advisory | |
| http://www.kb.cert.org/vuls/id/178560 | third-party-advisoryx_refsource_CERT-VNExploitThird Party AdvisoryUS Government Resource | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/10625 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.