A malicious authenticated SMG administrator user can obtain passwords for external…
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
Why it matters now
EPSS 0.00753 55th 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 |
|---|---|---|---|---|---|
| — | Symantec Messaging Gateway (SMG) | 10.7 | — | No fix listed | CNA |
- Symantec Messaging Gateway (SMG) Vendor— Affected 10.7 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30651
- 2026-10-03 Alias added: GHSA-cm55-jg7j-pgwp
References
More Broadcom Symantec Messaging Gateway vulnerabilities
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2024-15637 Symantec Messaging Gateway Buffer Overflow CVSS 3.1CRITICAL 10.0
- TI-2024-15636 Symantec Messaging Gateway Buffer Overflow CVSS 3.1CRITICAL 10.0
- TI-2020-10025 A privilege escalation flaw allows a malicious, authenticated, privileged CLI user to… CVSS 3.1HIGH 7.2
- TI-2020-10026 An information disclosure flaw allows a malicious, authenticated, privileged web UI user… CVSS 3.1MEDIUM 4.9
Sources
- CVE-2021-30651 · CVE Program
- CVE-2021-30651 · NVD
- FIRST EPSS
- GHSA-cm55-jg7j-pgwp · GitHub Advisory Database · CC BY 4.0
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