CVE-2021-26704 json
EPrints 3.4.2 allows remote attackers to execute arbitrary commands via crafted input to the verb parameter in a cgi/toolbox/toolbox URI.
published 2021-03-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13494
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
EPrints 3.4.2 allows remote attackers to execute arbitrary commands via crafted input to the verb parameter in a cgi/toolbox/toolbox 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
3.07% chance of exploitation in the next 30 days, higher than 87% 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 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/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-2021-26704
- NVD CVE-2021-26704
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.