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No exploitation reportedFix available

CVE-2019-1000021

No exploitation reported by the sources we read.

  • Published2019-02-04
  • Fixed in1.4.2

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options profile, used for the configuration of default access model that can result in all of the contacts of the victim can see private data having been published to a PEP node. This attack appears to be exploitable if the user of this library publishes any private data on PEP, the node isn't configured to be private. This vulnerability appears to have been fixed in commit 7cd73b594e8122dddf847953fcfc85ab4d316416 which is included in slixmpp 1.4.2.

Timeline

dates in UTC
  1. 2019-02-0421:29CVE publishedNVD

Versions per branch

NVD · OSV
Slixmpp project slixmpp
BranchAffectedFixed in
1.4< 1.4.21.4.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • python-slixmppSUSE:Package Hub 15all versions · fixed in 1.3.0-bp150.3.3.1
  • python-slixmppopenSUSE:Tumbleweedall versions · fixed in 1.8.5-1.2
  • python-slixmppopenSUSE:Tumbleweedall versions · fixed in 1.16.0-2.1
  • slixmppUbuntu:20.04:LTSall versions · fixed in 1.4.2-1
  • slixmppUbuntu:18.04:LTSall versions · no fixed version listed
  • slixmppDebian:14all versions · fixed in 1.4.2-1
  • slixmppDebian:13all versions · fixed in 1.4.2-1
  • slixmppDebian:12all versions · fixed in 1.4.2-1

Vendor advisories

  • CVE-2019-1000021 Red Hat Product Security

    python-slixmpp: Improper acccess control in XEP-0223 plugin

Full record on NVD

Fix

  1. Update Slixmpp project slixmpp to 1.4.2

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2019-02-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-4g62-mfwx-4q48

Frequently asked questions

What is CVE-2019-1000021?

slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options profile, used for the configuration of default access model that can result in all of the contacts of the victim can see private data having been published to a PEP node. This attack appears to be exploitable if the user of this library publishes any private data on PEP, the node isn't configured to be private. This vulnerability appears to have been fixed in commit 7cd73b594e8122dddf847953fcfc85ab4d316416 which is included in slixmpp 1.4.2.

Is CVE-2019-1000021 actively exploited?

Active exploitation of CVE-2019-1000021 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-1000021?

CVE-2019-1000021 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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