Critical severity9.8NVD Advisory· Published May 15, 2020· Updated Jun 17, 2026
CVE-2020-12651
CVE-2020-12651
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*range: <8.7.2
- (no CPE)range: <8.7.2
- SecureCRT/SecureCRTdescription
Patches
Vulnerability mechanics
References
4- bugs.chromium.org/p/project-zero/issues/detailnvdExploitThird Party Advisory
- twitter.com/taviso/status/1261079774190919680nvdThird Party Advisory
- www.vandyke.com/products/securecrt/history.txtnvdRelease NotesVendor Advisory
- www.vandyke.com/support/advisory/index.htmlnvdVendor Advisory
News mentions
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