01 Record
CVE-2020-37279
easy-pdf-merge 0.1.0 through 0.2.6 OS Command Injection via merge function
CriticalPUBLISHEDCNA: VulnCheck
CNA base score9.2 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
easy-pdf-merge 0.1.0 through 0.2.6 OS Command Injection via merge function
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.88% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.3% of scored records. A rank, not a probability.
- NVD base score
- 9.2 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-12 20:55Z16 DAYS AGO
- Last updated
- 2026-10-13 17:36Z15 DAYS AGO
- Reserved
- 2026-10-12
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.2)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.2
- Document digest
- a0de9adbc409cebe0d8de457bdec5c15e401e56c45fc521d6d73fc3ea2089f35
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Pull Request #28https://github.com/karuppiah7890/easy-pdf-merge/pull/28
- github.comGitHub Pull Request #45https://github.com/karuppiah7890/easy-pdf-merge/pull/45
- github.comVulnerable code in PDFMerger.jshttps://github.com/karuppiah7890/easy-pdf-merge/blob/v0.2.6/source/lib/PDFMerger.js#L71-L75
- github.comhttps://github.com/karuppiah7890/easy-pdf-merge
- www.vulncheck.comVulnCheck Advisory: easy-pdf-merge 0.1.0 through 0.2.6 OS Command Injection via merge functionhttps://www.vulncheck.com/advisories/easy-pdf-merge-0.1.0-through-0.2.6-os-command-injection-via-merge-function