CVE-2019-16275: canonical ubuntu_linux Origin Validation Error
Vulnerability summary
CVE-2019-16275 is a medium (CVSS 6.5) Origin Validation Error vulnerability in canonical ubuntu_linux. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68.5% of scored vulnerabilities.
Not severe (CVSS 6.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 12-09-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
hostapd before 2.10 and wpa_supplicant before 2.10 allow an incorrect indication of disconnection in certain situations because source address validation is mishandled. This is a denial of service that should have been prevented by PMF (aka management frame protection). The attacker must send a crafted 802.11 frame from a location that is within the 802.11 communications range.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.21% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine2 products
- hostapd< 2.8-r2 | < 2.9-r1 | < 2.6-r6 | < 2.6-r7 | < 2.7-r5
- wpa_supplicant< 2.8-r3 | < 2.9-r5 | < 2.6-r16 | < 2.7-r5
Debian2 products
- wpa< 2:2.9-2 | < 2.3-1+deb8u9
- debian_linuxEOL8.0 | 10.0
Mageia2 products
- hostapd< 2.9-1.1.mga7
- wpa_supplicant< 2.9-1.2.mga7
W1.fi2 products
- hostapd≤ 2.9
- wpa_supplicant≤ 2.9
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.04
Ubuntu1 product
- wpa< 2.4-0ubuntu6.6 | < 2:2.6-15ubuntu2.5 | < 2.1-0ubuntu1.7+esm2
6 vendors · 10 products
References
26 links- www.openwall.com/lists/oss-security/2019/09/11/7X Refsource MISCMailing ListMitigationThird Party AdvisoryREPORT
- w1.fi/security/2019-7/ap-mode-pmf-disconnection-protection-bypass.txtX Refsource MISCMitigationVendor AdvisoryWEBREPORT
- www.openwall.com/lists/oss-security/2019/09/12/6Mailing ListX Refsource MLISTMitigationThird Party Advisory
lists.debian.org/debian-lts-announce/2019/09/msg00017.htmlMailing ListX Refsource MLISTThird Party Advisory
