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01 Record

CVE-2020-16126

accountsservice drops ruid, allows unprivileged users to send it signals

LowPUBLISHEDCNA: canonical
CNA base score3.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

02 Description

accountsservice drops ruid, allows unprivileged users to send it signals

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.54% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 45.2% of scored records. A rank, not a probability.
NVD base score
3.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-11-11 04:10Z5 YR AGO
Last updated
2024-09-16 17:15Z2 YR AGO
Reserved
2020-07-29
Assigning CNA
canonical
Record state
PUBLISHED
Severity
Low (CVSS 3.3)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weaknesses
  • CWE-269Improper Privilege ManagementClass
Data version
5.1
Document digest
3fd685be257f4569d903c21ac4fe3cc0e9ba80f7d27a14b33421d4cbd1af9651

05 Affected products

VendorProductVersionsPlatforms
Freedesktopaccountsservice0.6.35-0ubuntu7.3 to < 0.6.35-0ubuntu7.3+esm2, 0.6.40-2ubuntu11 to < 0.6.40-2ubuntu11.6, 0.6.45-1ubuntu1 to < 0.6.45-1ubuntu1.3, 0.6.55-0ubuntu to < 0.6.55-0ubuntu12~20.04.4, 0.6.55-0ubuntu13 to < 0.6.55-0ubuntu13.2—

06 References

07 Fixed in

Ubuntu 16.04 LTS

  • accountsservice
    Fixed in 0.6.40-2ubuntu11.6

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • accountsservice
    Fixed in 0.6.45-1ubuntu1.3

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • accountsservice
    Fixed in 0.6.55-0ubuntu12~20.04.4

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • accountsservice
    Fixed in 0.6.35-0ubuntu7.3+esm2
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.