Stack-based buffer overflow in Pragma FortressSSH 4.0.7.20 allows remote attackers to…
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Stack-based buffer overflow in Pragma FortressSSH 4.0.7.20 allows remote attackers to execute arbitrary code via long SSH_MSG_KEXINIT messages, which may cause an overflow when being logged. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Why it matters now
EPSS 0.0317 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pragma_systems:fortressssh:*:*:*:*:*:*:*:* | up to 4.0.7.20 | Vulnerable | Pragma Systems |
- cpe:2.3:a:pragma_systems:fortressssh:*:*:*:*:*:*:*:* Versions up to 4.0.7.20 Vulnerable ·Pragma Systems
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-2421
- 2026-10-03 Alias added: GHSA-4r73-xvcj-763w
References
Other 1
Sources
- CVE-2006-2421 · CVE Program
- CVE-2006-2421 · NVD
- FIRST EPSS
- GHSA-4r73-xvcj-763w · GitHub Advisory Database · CC BY 4.0
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