CVE-2018-12243

UnknownEPSS 0.77%

Last modified

CVE-2018-12243 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SymantecMessaging Gateway< 10.6.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. The attack uses file URI schemes or relative paths in the system identifier to access files that should not normally be accessible.
How severe is CVE-2018-12243?
Severity scoring for CVE-2018-12243 is pending analysis. The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.
How do I fix CVE-2018-12243?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12243?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST