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CVE-2017-5677: PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer.

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer. It allows remote code execution. In one viewpoint, the root cause is an incorrect regular expression.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a legacy PHP library issue in PEAR HTML_AJAX versions 0.3.0 through 0.5.7. The CVE states that unsafe PHP serialization handling can allow remote code execution. The main business concern is older web applications that still bundle or depend on this package. Exposure is most likely in legacy PHP applications or servers that still install PEAR HTML_AJAX 0.3.0 through 0.5.7. The source bundle does not identify specific downstream products or deployment defaults. Prioritize as high for any internet-facing legacy PHP environment. The age of the CVE reduces surprise risk, but unmaintained PHP dependencies often persist unnoticed and the stated impact is severe. Mitigation focus: Inventory PHP applications for PEAR HTML_AJAX dependency usage.; Check PEAR advisory and bug 21165 for fixed-version guidance.; Upgrade or remove affected HTML_AJAX versions where present..

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Potential ATT&CK relevance

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CVE-2017-5677 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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