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CVE-2017-5641

CRITICALCVSS 9.8/10EPSS 21.27%

Last modified

CVE-2017-5641 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Previous versions of Apache Flex BlazeDS (4.7.2 and earlier) did not restrict which types were allowed for AMF(X) object deserialization by default. During the deserialization process code is executed that for several known types has undesired side-effects. EPSS estimates a 21.27% chance of exploitation in the next 30 days.

Description

Previous versions of Apache Flex BlazeDS (4.7.2 and earlier) did not restrict which types were allowed for AMF(X) object deserialization by default. During the deserialization process code is executed that for several known types has undesired side-effects. Other, unknown types may also exhibit such behaviors. One vector in the Java standard library exists that allows an attacker to trigger possibly further exploitable Java deserialization of untrusted data. Other known vectors in third party libraries can be used to trigger remote code execution.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
21.27%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheFlex Blazeds<= 4.7.2
HpXp Command View Advanced Edition< 8.5.3-00

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-5641?
Previous versions of Apache Flex BlazeDS (4.7.2 and earlier) did not restrict which types were allowed for AMF(X) object deserialization by default. During the deserialization process code is executed that for several known types has undesired side-effects. Other, unknown types may also exhibit such behaviors. One vector in the Java standard library exists that allows an attacker to trigger possibly further exploitable Java deserialization of untrusted data. Other known vectors in third party libraries can be used to trigger remote code execution.
How severe is CVE-2017-5641?
CVE-2017-5641 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 21.27% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5641?
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.

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Source: NVD / NIST