How severe is CVE-2022-32531?

CVE-2022-32531 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-2022-32531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-32531?

CVE-2022-32531 primarily affects Apache Bookkeeper. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-32531?

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

When was CVE-2022-32531 published?

CVE-2022-32531 was published on 2022-12-15 and last updated on 2026-06-17.

CVE-2022-32531

CVE-2022-32531 is a medium-severity vulnerability in Apache Bookkeeper 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)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Apache Bookkeeper
Published: 2022-12-15
Last modified: 2026-06-17

Description

The Apache Bookkeeper Java Client (before 4.14.6 and also 4.15.0) does not close the connection to the bookkeeper server when TLS hostname verification fails. This leaves the bookkeeper client vulnerable to a man in the middle attack. The problem affects BookKeeper client prior to versions 4.14.6 and 4.15.1.

Frequently asked questions

What is CVE-2022-32531?: The Apache Bookkeeper Java Client (before 4.14.6 and also 4.15.0) does not close the connection to the bookkeeper server when TLS hostname verification fails. This leaves the bookkeeper client vulnerable to a man in the middle attack. The problem affects BookKeeper client prior to versions 4.14.6 and 4.15.1.
How severe is CVE-2022-32531?: CVE-2022-32531 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-2022-32531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-32531?: CVE-2022-32531 primarily affects Apache Bookkeeper. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-32531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-32531 published?: CVE-2022-32531 was published on 2022-12-15 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/xyk2lfc7lzof8mksmwyympbqxts1b5s9

Affected products (3)

cpe:2.3:a:apache:bookkeeper:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:bookkeeper:4.15.0:-:*:*:*:*:*:*
cpe:2.3:a:apache:bookkeeper:4.15.0:rc0:*:*:*:*:*:*

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