CVE-2020-15097: loklak is an open-source server application which is able to collect messages from various sources, including

Q: How do I fix CVE-2020-15097?

loklak: upgrade to newer than 2020-01-22. Exact commands for each OS are on this page.

Q: Is CVE-2020-15097 being exploited?

CVE-2020-15097 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-15097 affect?

CVE-2020-15097 affects loklak. Severity is critical (CVSS 9.1). loklak is an open-source server application which is able to collect messages from various sources, including twitter. The server contains a search index and a peer-to-peer index sharing interface. All messages are stored in an elasticsearc

Q: How urgent is CVE-2020-15097?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2020-15097 is a critical-severity flaw (CVSS 9.1) affecting loklak. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

loklak is an open-source server application which is able to collect messages from various sources, including twitter. The server contains a search index and a peer-to-peer index sharing interface. All messages are stored in an elasticsearch index. In loklak less than or equal to commit 5f48476, a path traversal vulnerability exists. Insufficient input validation in the APIs exposed by the loklak server allowed a directory traversal vulnerability

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-02-02
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: loklak project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-02 18:15 UTCPublished CVE record published
2026-06-17 02:56 UTCUpdated Record last modified

loklak project loklak UPGRADE

Affected: <= 2020-01-22

Fixed in: newer than 2020-01-22

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy loklak || rpm -q loklak || loklak --version

2. UPGRADE to newer than 2020-01-22 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade loklak

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade loklak

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-15097?

loklak: upgrade to newer than 2020-01-22. Exact commands for each OS are on this page.

Is CVE-2020-15097 being exploited?

CVE-2020-15097 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-15097 affect?

CVE-2020-15097 affects loklak. Severity is critical (CVSS 9.1). loklak is an open-source server application which is able to collect messages from various sources, including twitter. The server contains a search index and a peer-to-peer index sharing interface. All messages are stored in an elasticsearc

How urgent is CVE-2020-15097?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Elasticsearch vulnerabilities

References

← Back to latest CVEs