CVE-2020-12651
9.8
CRITICAL · CVSS 3.1 · EPSS 6.6% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.6% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-05-15 |
| Last modified | 2026-06-17 |
Affected (5)
| Vendor | Product |
|---|---|
| apple | iphone os |
| apple | macos |
| linux | linux kernel |
| microsoft | windows |
| vandyke | securecrt |
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2033
- https://twitter.com/taviso/status/1261079774190919680
- https://www.vandyke.com/products/securecrt/history.txt
- https://www.vandyke.com/support/advisory/index.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2033
- https://twitter.com/taviso/status/1261079774190919680
- https://www.vandyke.com/products/securecrt/history.txt
- https://www.vandyke.com/support/advisory/index.html
→ the Explorer · watch your stack · NVD