How severe is CVE-2024-38857?

CVE-2024-38857 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-38857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-38857?

CVE-2024-38857 primarily affects Checkmk. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-38857?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-38857 have an EU (EUVD) identifier?

Yes. CVE-2024-38857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37644.

When was CVE-2024-38857 published?

CVE-2024-38857 was published on 2024-07-02 and last updated on 2026-06-17.

CVE-2024-38857

CVE-2024-38857 is a medium-severity vulnerability in Checkmk with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37644
Weakness: CWE-79
Affected product: Checkmk
Published: 2024-07-02
Last modified: 2026-06-17

Description

Improper neutralization of input in Checkmk before versions 2.3.0p8, 2.2.0p28, 2.1.0p45, and 2.0.0 (EOL) allows attackers to craft malicious links that can facilitate phishing attacks.

Frequently asked questions

What is CVE-2024-38857?: Improper neutralization of input in Checkmk before versions 2.3.0p8, 2.2.0p28, 2.1.0p45, and 2.0.0 (EOL) allows attackers to craft malicious links that can facilitate phishing attacks.
How severe is CVE-2024-38857?: CVE-2024-38857 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-38857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-38857?: CVE-2024-38857 primarily affects Checkmk. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-38857?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-38857 have an EU (EUVD) identifier?: Yes. CVE-2024-38857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37644.
When was CVE-2024-38857 published?: CVE-2024-38857 was published on 2024-07-02 and last updated on 2026-06-17.

References

https://checkmk.com/werk/17059

Affected products (106)

cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p18:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p19:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p20:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p21:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p22:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p23:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p24:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p25:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p26:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p27:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p28:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p29:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p30:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p31:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p32:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p33:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p34:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.1.0:p35:*:*:*:*:*:*

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