CVE-2026-20353
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco Secure Email Gateway Security Hardening Release
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20353 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco Secure Email
- Vendor
- Cisco
- Product
- Cisco Secure Email
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 14.0.0-698 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 13.5.1-277 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 13.0.0-392 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 14.2.0-620 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 13.0.5-007 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 13.5.4-038 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 14.2.1-020 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 14.3.0-032 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.0.0-104 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.0.1-030 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.5.0-048 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.5.1-055 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.5.2-018 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.0-050 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.0.3-002 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.0-054 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.5.3-022 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.1-017 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.5.4-012 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.4-016 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 15.0.5-016 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.2-112 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 16.0.3-044 | affected | Unavailable | Unavailable | Unavailable | None listed |