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CVE-2021-4304: eprintsug ulcc-core toolbox command injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-05 · updated 2026-06-17
• Weakness: CWE-77

Description

A vulnerability was found in eprintsug ulcc-core. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file cgi/toolbox/toolbox. The manipulation of the argument password leads to command injection. The attack can be launched remotely. The patch is named 811edaae81eb044891594f00062a828f51b22cb1. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217447.

Affected products

• eprintsug ulcc-core: before 2021-02-05 — fixed in 2021-02-05

How to fix

Upgrade to a fixed version: eprintsug ulcc-core 2021-02-05. Check the vendor advisory for mitigations.

References

• https://github.com/eprintsug/ulcc-core/commit/811edaae81eb044891594f00062a828f51b22cb1
• https://vuldb.com/?ctiid.217447
• https://vuldb.com/?id.217447
• https://github.com/eprintsug/ulcc-core/commit/811edaae81eb044891594f00062a828f51b22cb1
• https://vuldb.com/?ctiid.217447
• https://vuldb.com/?id.217447

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