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CVE-2021-32691

Auto-merging Person Records Compromised

8.8 HighFix available

Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the create data source method on the People class.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.46%Up 0.6 points since Jun 17, 2021
90%50%10%1%

What each source reports

CVE List Score used 8.8

Auto-merging Person Records Compromised

Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the create data source method on the People class.

Record
CVE-2021-32691
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-303
Updated
2026-11-02
EUVDEUVD-2021-1392 8.8

Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the create data source method on the People class.

Record
EUVD-2021-1392
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-r578-pj6f-r4ff 8.8

Auto-merging Person Records Compromised

Impact

New user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events).

Patches

We have released a security patch on v2.20.0. The solution was to create a duplicate person and then patch the new person with their profile details.

Workarounds

If you do not wish to upgrade your app to the new version, you can patch your server by overriding the create data source method on the People class.

  create = async (profile) => {
    const rockUpdateFields = this.mapApollosFieldsToRock(profile);
    // auto-merge functionality is compromised
    // we are creating a new user and patching them with profile details
    const id = await this.post('/People', {
      Gender: 0, // required by Rock. Listed first so it can be overridden.
      IsSystem: false, // required by rock
    });
    await this.patch(`/People/${id}`, {
      ...rockUpdateFields,
    });
    return id;
  };

For more information

If you have any questions or comments about this advisory:

Record
GHSA-r578-pj6f-r4ff
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-287, CWE-303
Updated
2026-11-02
NVD 8.8

Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the create data source method on the People class.

Record
CVE-2021-32691
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-303, CWE-287
Updated
2026-11-02
OSV 9.8

Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the create data source method on the People class.

Record
CVE-2021-32691
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-r578-pj6f-r4ff 8.8

Auto-merging Person Records Compromised

Impact

New user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events).

Patches

We have released a security patch on v2.20.0. The solution was to create a duplicate person and then patch the new person with their profile details.

Workarounds

If you do not wish to upgrade your app to the new version, you can patch your server by overriding the create data source method on the People class.

  create = async (profile) => {
    const rockUpdateFields = this.mapApollosFieldsToRock(profile);
    // auto-merge functionality is compromised
    // we are creating a new user and patching them with profile details
    const id = await this.post('/People', {
      Gender: 0, // required by Rock. Listed first so it can be overridden.
      IsSystem: false, // required by rock
    });
    await this.patch(`/People/${id}`, {
      ...rockUpdateFields,
    });
    return id;
  };

For more information

If you have any questions or comments about this advisory:

Record
GHSA-r578-pj6f-r4ff
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-287, CWE-303
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
@apollosproject/data-connector-rock
npm
before 2.20.0
2.20.0

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-32691 is a high vulnerability (CVSS 8.8) in Apollosapp Data-connector-rock, published June 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in @apollosproject/data-connector-rock 2.20.0.

References

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