CVE-2022-27043: Yearning versions 2.3.1 and 2.3.2 Interstellar GA and 2.3.4 - 2.3.6 Neptune is vulnerable to Directory Travers

This week

HIGH 7.5REMOTEUPGRADE

CVE-2022-27043 is a high-severity flaw (CVSS 7.5) affecting yearning. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Yearning versions 2.3.1 and 2.3.2 Interstellar GA and 2.3.4 - 2.3.6 Neptune is vulnerable to Directory Traversal.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	6.1% (top 7%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-04-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: yearning

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

Am I affected?

Timeline

2022-04-15 15:15 UTCPublished CVE record published
2026-06-17 04:36 UTCUpdated Record last modified

yearning yearning UPGRADE

Affected: >= 2.3.4 and <= 2.3.6 · 2.3.1 · 2.3.2

Fixed in: newer than 2.3.6

Safe to downgrade to: a release before 2.3.1

1. Check installed version

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

2. UPGRADE to newer than 2.3.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade yearning

Note

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

3. If no update is available yet, DOWNGRADE to a release before 2.3.1 (Debian / Ubuntu)

apt-cache madison yearning sudo apt install yearning=<VERSION_BEFORE_2.3.1> sudo apt-mark hold yearning

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list yearning sudo dnf downgrade yearning-<VERSION_BEFORE_2.3.1> sudo dnf versionlock add yearning

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Yearning - Directory Traversal

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-2022-27043?

yearning: upgrade to newer than 2.3.6. Exact commands for each OS are on this page.

Is CVE-2022-27043 being exploited?

CVE-2022-27043 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-2022-27043 affect?

CVE-2022-27043 affects yearning. Severity is high (CVSS 7.5). Yearning versions 2.3.1 and 2.3.2 Interstellar GA and 2.3.4 - 2.3.6 Neptune is vulnerable to Directory Traversal.

How urgent is CVE-2022-27043?

Priority 60/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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