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Vulnerability record · CVE-2021-3342 · published 1 March 2021

CVE-2021-3342: Eprints os command injection vulnerability

Eprints · Eprints

EPrints 3.4.2 allows remote attackers to read arbitrary files and possibly execute commands via crafted LaTeX input to a cgi/latex2png?latex= URI.

9.8 CVSS 3.1 Critical EPSS 4.2% · top 9.4% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 6.8
4.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

EPrints 3.4.2 allows remote attackers to read arbitrary files and possibly execute commands via crafted LaTeX input to a cgi/latex2png?latex= URI.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://files.eprints.org/2548/ PatchVendor Advisory
https://files.eprints.org/2549/ PatchVendor Advisory
https://github.com/grymer/CVE/blob/master/eprints_security_review.pdf ExploitPatchThird Party Advisory
https://files.eprints.org/2548/ PatchVendor Advisory
https://files.eprints.org/2549/ PatchVendor Advisory
https://github.com/grymer/CVE/blob/master/eprints_security_review.pdf ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-26476Eprints os command injection vulnerabilityEPrints 3.4.2 allows remote attackers to execute OS commands via crafted LaTeX input to a cgi/cal?year= URI.EPSS 3.1%9.8CVE-2021-26703Eprints xml external entity (xxe) vulnerabilityEPrints 3.4.2 allows remote attackers to read arbitrary files and possibly execute commands via crafted JSON/XML input to a cgi/ajax/phrase URI.EPSS 4.0%8.8CVE-2021-26704Eprints os command injection vulnerabilityEPrints 3.4.2 allows remote attackers to execute arbitrary commands via crafted input to the verb parameter in a cgi/toolbox/toolbox URI.EPSS 3.1%6.1CVE-2021-26702Eprints cross-site scripting vulnerabilityEPrints 3.4.2 exposes a reflected XSS opportunity in the dataset parameter to the cgi/dataset_dictionary URI.EPSS 3.1%6.1CVE-2021-26475Eprints cross-site scripting vulnerabilityEPrints 3.4.2 exposes a reflected XSS opportunity in the via a cgi/cal URI.EPSS 7.3%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed

Source: NIST National Vulnerability Database (record CVE-2021-3342), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.