How severe is CVE-2024-40898?

CVE-2024-40898 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-40898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-40898?

CVE-2024-40898 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-40898?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-40898 have an EU (EUVD) identifier?

Yes. CVE-2024-40898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38709.

When was CVE-2024-40898 published?

CVE-2024-40898 was published on 2024-07-18 and last updated on 2026-06-17.

CVE-2024-40898

CVE-2024-40898 is a high-severity vulnerability in Apache Http Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38709
Weakness: CWE-918
Affected product: Apache Http Server
Published: 2024-07-18
Last modified: 2026-06-17

Description

SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests. Users are recommended to upgrade to version 2.4.62 which fixes this issue.

Frequently asked questions

What is CVE-2024-40898?: SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests. Users are recommended to upgrade to version 2.4.62 which fixes this issue.
How severe is CVE-2024-40898?: CVE-2024-40898 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-40898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-40898?: CVE-2024-40898 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-40898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-40898 have an EU (EUVD) identifier?: Yes. CVE-2024-40898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38709.
When was CVE-2024-40898 published?: CVE-2024-40898 was published on 2024-07-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

50.255.62.89 (ipv4-addr)
218.4.91.163 (ipv4-addr)
79.137.34.248 (ipv4-addr)
61.76.112.4 (ipv4-addr)
46.101.216.224 (ipv4-addr)
45.120.115.150 (ipv4-addr)
41.89.227.164 (ipv4-addr)
41.128.181.199 (ipv4-addr)