How severe is CVE-2022-24968?

CVE-2022-24968 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-24968 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-24968?

CVE-2022-24968 affects Mellium Xmpp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-24968?

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

When was CVE-2022-24968 published?

CVE-2022-24968 was published on 2022-02-11 and last updated on 2026-06-17.

CVE-2022-24968

CVE-2022-24968 is a medium-severity vulnerability in Mellium Xmpp with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Mellium Xmpp
Published: 2022-02-11
Last modified: 2026-06-17

Description

In Mellium mellium.im/xmpp through 0.21.0, an attacker capable of spoofing DNS TXT records can redirect a WebSocket connection request to a server under their control without causing TLS certificate verification to fail. This occurs because the wrong host name is selected during this verification.

Frequently asked questions

What is CVE-2022-24968?: In Mellium mellium.im/xmpp through 0.21.0, an attacker capable of spoofing DNS TXT records can redirect a WebSocket connection request to a server under their control without causing TLS certificate verification to fail. This occurs because the wrong host name is selected during this verification.
How severe is CVE-2022-24968?: CVE-2022-24968 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-24968 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-24968?: CVE-2022-24968 affects Mellium Xmpp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-24968?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-24968 published?: CVE-2022-24968 was published on 2022-02-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mellium:xmpp:*:*:*:*:*:*:*:*

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