CVE-2020-21365

Exp

Directory traversal vulnerability in wkhtmltopdf through 0.12.5 allows remote attackers to read local files and disclose sensitive information via a crafted html file running with the default configurations.

Published: 2022-08-15 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-21365 is rated High Exploit Risk (67.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.47%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2020-21365

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-21365

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 2025-11-22 0.63% 0.47% -0.16%
2 2025-11-18 0.46% 0.63% +0.17%
3 2025-11-17 — 0.46% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-21365

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2020-21365

OS Trackers for CVE-2020-21365

vendor priority summary link
debian not yet assigned CVE-2020-21365 not yet assigned priority: Debian including 1 source packages (wkhtmltopdf), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. https://security-tracker.debian.org/tracker/CVE-2020-21365
ubuntu medium CVE-2020-21365 medium priority: Ubuntu including 1 source packages (wkhtmltopdf), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): released 5, not-affected 3. https://ubuntu.com/security/CVE-2020-21365

Affected software / configurations for CVE-2020-21365

Vendor Product Version Raw CPE
wkhtmltopdf wkhtmltopdf <= 0.12.5 cpe:2.3:a:wkhtmltopdf:wkhtmltopdf:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References for CVE-2020-21365

URL Tags
https://github.com/wkhtmltopdf/wkhtmltopdf/issues/4536 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00027.html Mailing List Third Party Advisory
cvelogic Threat Intelligence