CVE-2019-20835

An issue was discovered in Foxit Reader and PhantomPDF before 9.5. It has homograph mishandling.

Published: 2020-06-04 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-20835 is rated Low Risk (38.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.97%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-20835

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.97% +0.91%
2 2026-02-23 0.05% 0.06% +0.01%
3 2025-03-17 — 0.05% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-20835

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 1.4 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2019-20835

OS Trackers for CVE-2019-20835

vendor priority summary link
alpine medium CVE-2019-20835: 1 source package rows (reader); 27 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 0, open 27. https://security.alpinelinux.org/vuln/CVE-2019-20835

Affected software / configurations for CVE-2019-20835

Vendor Product Version Raw CPE
foxitsoftware phantompdf < 9.5 cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
foxitsoftware reader < 9.5 cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:*

References for CVE-2019-20835

cvelogic Threat Intelligence