The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to a XML external entity (XXE) exploit, which is a type of issue where XML input containing a reference to an external entity is processed by a weakly configured XML parser
Published Sep 19, 2018
8.8
HIGHCVSS 3.0
EPSS 0.77%
Description
The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to a XML external entity (XXE) exploit, which is a type of issue where XML input containing a reference to an external entity is processed by a weakly configured XML parser. The attack uses file URI schemes or relative paths in the system identifier to access files that should not normally be accessible.
Affected products
-
- Version Prior to 10.6.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Symantec Corporation | Symantec Messaging Gateway | n/a |
|
- < 10.6.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:A/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.77% (0.00767) | 53.89th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.77% (0.00767) | 54.02th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00104) | 43.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.10% (0.00104) | 41.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00109) | 42.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/105330 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://support.symantec.com/en_US/article.SYMSA1461.html x_refsource_CONFIRMMitigationVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105330 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://support.symantec.com/en_US/article.SYMSA1461.html | x_refsource_CONFIRMMitigationVendor Advisory |
Change history (0)
No recorded changes yet.