HOMEVULNERABILITIESCVE-2020-15637
LOW

CVE-2020-15637

CWE-416Published: August 20, 2020· Updated: Jun 17, 2026

3.3
CVSS v3.1

Official Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF 9.7.1.29511. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the SetLocalDescription method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-10972.

NVD Source

Technical Analysis

CVE-2020-15637 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected Vendors & Products

foxitsoftware2 product(s)
phantompdfreader
Microsoft1 product(s)
windows
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.foxitsoftware.com/support/security-bulletins.html
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-20-932/
ADVISORYhttps://www.foxitsoftware.com/support/security-bulletins.html
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-20-932/

All References (4)

→
https://www.foxitsoftware.com/support/security-bulletins.htmlVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-20-932/Third Party Advisory · VDB Entry
→
https://www.foxitsoftware.com/support/security-bulletins.htmlVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-20-932/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2020-15637
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-416
CISA KEVNo
Affected2 vendor(s)
PublishedAug 20, 2020

Related CVEs (CWE-416)

CVE-2012-1973
10.0
CVE-2012-1975
10.0
CVE-2011-0982
10.0
CVE-2012-1972
10.0
CVE-2012-1974
10.0
CVE-2012-1976
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-15637 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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