CVE-2013-2027: Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users t

Routine

MEDIUM 4.6MITIGATEDOWNGRADE

CVE-2013-2027 is a medium-severity flaw (CVSS 4.6) affecting opensuse, jython. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restrictions via unspecified vectors.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-264
Published	2015-02-13
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: jython project · opensuse

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-02-13 15:59 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

opensuse opensuse MITIGATE

Affected: 13.1 · 13.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

jython project jython DOWNGRADE

Affected: 2.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.2.1 (Debian / Ubuntu)

apt-cache madison jython sudo apt install jython=<VERSION_BEFORE_2.2.1> sudo apt-mark hold jython

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jython sudo dnf downgrade jython-<VERSION_BEFORE_2.2.1> sudo dnf versionlock add jython

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.

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-2013-2027?

opensuse: mitigate or apply the listed mitigation; jython: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2027 being exploited?

CVE-2013-2027 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-2013-2027 affect?

CVE-2013-2027 affects opensuse, jython. Severity is medium (CVSS 4.6). Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restrictions via unspecified vectors.

How urgent is CVE-2013-2027?

Priority 25/100. No elevated risk signals yet.

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References

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