SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX
Published May 15, 2020
9.8
CRITICALCVSS 3.1
EPSS 6.60%
Description
SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.
Affected products
No data.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.60% (0.06603) | 93.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.60% (0.06603) | 92.96th | v5 (v2026.06.15) |
| Nov 21, 2025 | 8.49% (0.08487) | 91.99th | v4 (v2025.03.14) |
| Nov 18, 2025 | 13.98% (0.13981) | 93.70th | v4 (v2025.03.14) |
| May 23, 2025 | 8.49% (0.08487) | 91.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.35% (0.14349) | 93.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.38% (0.16382) | 91.48th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.35% (0.14349) | 93.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.90% (0.01896) | 88.99th | v3 (v2023.03.01) |
| Jul 17, 2023 | 1.90% (0.01896) | 86.92th | v3 (v2023.03.01) |
| Apr 21, 2023 | 1.34% (0.01345) | 84.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.27% (0.01275) | 83.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 53.74% (0.53745) | 98.42th | v2 (v2022.01.01) |
| Feb 3, 2022 | 14.88% (0.14878) | 89.93th | v1 |
| Jan 6, 2022 | 14.88% (0.14878) | 89.82th | v1 |
| Sep 1, 2021 | 3.75% (0.03749) | 82.83th | v1 |
| Apr 14, 2021 | 3.75% (0.03749) | 0.00th | v1 |
References (4)
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2033 x_refsource_MISCExploitThird Party Advisory
- https://twitter.com/taviso/status/1261079774190919680 x_refsource_MISCThird Party Advisory
- https://www.vandyke.com/products/securecrt/history.txt x_refsource_CONFIRMRelease NotesVendor Advisory
- https://www.vandyke.com/support/advisory/index.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.chromium.org/p/project-zero/issues/detail?id=2033 | x_refsource_MISCExploitThird Party Advisory | |
| https://twitter.com/taviso/status/1261079774190919680 | x_refsource_MISCThird Party Advisory | |
| https://www.vandyke.com/products/securecrt/history.txt | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://www.vandyke.com/support/advisory/index.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.