Polkit vulnerabilitiesAnd the versions its exploited flaws hit.

Product2 known exploited38 versions
The short answer

Polkit is made by Polkit Project. We track 11 published vulnerabilities in it, across 38 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 12 May 2023. If you run Polkit, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Polkit flaw added to the known-exploited list is CVE-2021-3560, on 12 May 2023. We keep watching the known-exploited list.

Versions

Which versions of Polkit do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Known exploited

Which Polkit vulnerabilities are being exploited?

2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.8
    CVE-2021-3560HighKnown exploited
    Red Hat Polkit Incorrect Authorization Vulnerability

    Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

    Chance of use24%Known exploited since12 May 2023
  2. 7.8
    CVE-2021-4034HighKnown exploited
    Red Hat Polkit Out-of-Bounds Read and Write Vulnerability

    The Red Hat polkit pkexec utility contains an out-of-bounds read and write vulnerability that allows for privilege escalation with administrative rights.

    Chance of use95%Known exploited since27 Jun 2022
Exploit likelihood

Which Polkit flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 95%
    CVE-2021-4034HighKnown exploited

    A local privilege escalation vulnerability was found on polkit's pkexec utility.

    CVSS7.8Published28 Jan 2022
  2. 24%
    CVE-2021-3560HighKnown exploited

    It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user.

    CVSS7.8Published16 Feb 2022
  3. 12%

    A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.

    CVSS8.8Published3 Dec 2018
  4. 1.2%

    A flaw was found in polkit before version 0.116.

    CVSS4.4Published10 Jul 2018
  5. 0.5%

    There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion.

    CVSS5.5Published21 Feb 2022
  6. 0.4%

    In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached.

    CVSS6.7Published11 Jan 2019
  7. 0.4%

    The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd...

    CVSS2.1Published26 Oct 2015
  8. 0.4%

    Integer overflow in the authentication_agent_new_cookie function in PolicyKit (aka polkit) before 0.113 allows local users to gain privileges by creating a large number of connections, which triggers the issuance of...

    CVSS4.6Published26 Oct 2015
  9. 0.4%

    The polkit_backend_action_pool_init function in polkitbackend/polkitbackendactionpool.c in PolicyKit (aka polkit) before 0.113 might allow local users to gain privileges via duplicate action IDs in action descriptions.

    CVSS4.6Published26 Oct 2015
  10. 0.4%

    PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (memory corruption and polkitd daemon crash) and possibly gain privileges via unspecified vectors, related to "javascript rule...

    CVSS4.6Published26 Oct 2015
Precursor Intelligence

Running Polkit? We'll keep checking.

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We track 11 published vulnerabilities listed under the name Polkit, across 38 versions. The most recent Polkit flaw added to the known-exploited list is CVE-2021-3560, on 12 May 2023.

2 are on the list of flaws known to be exploited. The most recently added are CVE-2021-3560 and CVE-2021-4034.

Create a Precursor Intelligence account and track Polkit. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.