CVE & CISA-KEV Catalog

CVE-2022-37660

MEDIUM
6.5
CVSS v3
NVD

Description

In hostapd 2.10 and earlier, the PKEX code remains active even after a successful PKEX association. An attacker that successfully bootstrapped public keys with another entity using PKEX in the past, will be able to subvert a future bootstrapping by passively observing public keys, re-using the encrypting element Qi and subtracting it from the captured message M (X = M - Qi). This will result in the public ephemeral key X; the only element required to subvert the PKEX association.

CWE-323

How to fix

Remediation Available
wpaDebian
Fixed in:2:2.9.0-21+deb11u3CVE-2022-37660
Fixed in:2:2.10-12+deb12u3CVE-2022-37660
Fixed in:2:2.10-24CVE-2022-37660
Fixed in:2:2.10-24CVE-2022-37660
hostapdUbuntu
Fixed in:2:2.9-1ubuntu4.6USN-7317-1
Fixed in:2:2.10-6ubuntu2.2USN-7317-1
Fixed in:2:2.10-21ubuntu0.2USN-7317-1
wpaUbuntu
Fixed in:2:2.9-1ubuntu4.6USN-7317-1
Fixed in:2:2.10-6ubuntu2.2USN-7317-1
Fixed in:2:2.10-21ubuntu0.2USN-7317-1
wpasupplicantUbuntu
Fixed in:2:2.9-1ubuntu4.6USN-7317-1
Fixed in:2:2.10-6ubuntu2.2USN-7317-1
Fixed in:2:2.10-21ubuntu0.2USN-7317-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.34%probability of exploitation in 30 days
26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Patch1
Third-Party Advisory1
Other references1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.