CVE-2018-12243
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.77% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- symantec/messaging gateway
- Source
- secure@symantec.com
References
- http://www.securityfocus.com/bid/105330Third Party Advisory, VDB Entry
- https://support.symantec.com/en_US/article.SYMSA1461.htmlMitigation, Vendor Advisory
- http://www.securityfocus.com/bid/105330Third Party Advisory, VDB Entry
- https://support.symantec.com/en_US/article.SYMSA1461.htmlMitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.