CVE-2021-30651
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active...
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
4.9
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
- Record
CVE-2021-30651- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
- Record
CVE-2021-30651- Updated
- 2026-11-02
EUVDEUVD-2021-17568 No score
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
- Record
EUVD-2021-17568- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cm55-jg7j-pgwp
4.9
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active...
A malicious authenticated SMG administrator user can obtain passwords for external LDAP/Active Directory servers that they might not otherwise be authorized to access.
- Record
GHSA-cm55-jg7j-pgwp- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30651 is a medium vulnerability (CVSS 4.9) in Broadcom Symantec Messaging Gateway, published June 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. No source names a fixed version.