VDB
DEBIAN-CVE-2023-24021
DEBIAN-CVE-2023-24021
PUBLISHED
CVSS 7.5 HIGH
Record from OSV · Published January 20, 2023
Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| modsecurity-apache | Debian:13 | 2.9.7-1 |
| modsecurity-apache | Debian:14 | 2.9.7-1 |
| modsecurity-apache | Debian:12 | 2.9.7-1 |
Risk scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | modsecurity-apache | 0 |
| Debian:14 | modsecurity-apache | 0 |
| Debian:12 | modsecurity-apache | 0 |
Timeline
- Jan 20, 2023 CVE Published
- Oct 26, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2023-24021
vulnetix vdb fixes DEBIAN-CVE-2023-24021Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2023-24021/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart