CVE-2021-3342 json
EPrints 3.4.2 allows remote attackers to read arbitrary files and possibly execute commands via crafted LaTeX input to a cgi/latex2png?late…
published 2021-03-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26673
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- files.eprints.org/2549/ advisory
- files.eprints.org/2548/ advisory
- github.com/grymer/CVE/blob/master/eprints_security_review.pdf advisory
Exploit prediction
4.18% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/grymer/CVE/blob/master/eprints_security_review.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
files.eprints.org
/2549/
patch, vendor-advisory
-
files.eprints.org
/2548/
patch, vendor-advisory
-
github.com
/grymer/CVE/blob/master/eprints_security_review.pdf
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2021-3342
- NVD CVE-2021-3342
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