[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilities
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
A remote anonymous attacker can exploit multiple vulnerabilities in Apache HTTP Server to execute arbitrary code, cause a denial-of-service condition, bypass security measures, or disclose confidential information.
CSIRTS triage
- What
- Multiple vulnerabilities allow remote anonymous attackers to execute arbitrary code, cause denial-of-service, bypass security measures, or disclose confidential information.
- Who is affected
- Deployments of Apache HTTP Server are affected by these vulnerabilities.
- Urgency
- Remediation is urgent due to the high severity and active exploitation of these vulnerabilities.
- Action
- Update to the latest version of Apache HTTP Server to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Apache HTTP Server
Get an email when a new Apache HTTP Server advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1504
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2024-38475Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
- Exploitation confirmedCVE-2023-38709Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 89% of all scored CVEs.
- Exploitation confirmedCVE-2024-36387Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 75% of all scored CVEs.
- Exploitation confirmedCVE-2024-38472Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all scored CVEs.
- Exploitation confirmedCVE-2024-38473Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all scored CVEs.
- Exploitation confirmedCVE-2024-38474Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 83% of all scored CVEs.
- Exploitation confirmedCVE-2024-38476Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all scored CVEs.
- Exploitation confirmedCVE-2024-38477Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 86% of all scored CVEs.
- Exploitation confirmedCVE-2024-39573Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-38475 | coverage & exploitation status | NVD · CVE.org |
| CVE-2023-38709 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-36387 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-38472 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-38473 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-38474 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-38476 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-38477 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-39573 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund
- criticalexploitedCVE-2024-38475: Apache HTTP Server Improper Escaping of Output Vulnerabilitycisa-kev
Recent advisories for Apache HTTP Server
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-09
- high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-09
- high[UPDATE] [high] Apache HTTP Server: Multiple vulnerabilitiescert-bund · 2026-07-09
- unknownUSN-8516-1: Apache HTTP Server vulnerabilitiesubuntu · 2026-07-08
- mediumCVE-2026-56139: Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel Und…nvd · 2026-07-06
- mediumCVE-2026-49365: Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel Net…nvd · 2026-07-06
More from CERT-Bund (BSI) Security Advisories
- medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
- medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10