CVE-2020-27958: The Job Composer app in Ohio Supercomputer Center Open OnDemand before 1.7.19 and 1.8.x before 1.8.18 allows r

Routine

MEDIUM 4.3UPGRADE

CVE-2020-27958 is a medium-severity flaw (CVSS 4.3) affecting ohio supercomputer center open ondemand. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Job Composer app in Ohio Supercomputer Center Open OnDemand before 1.7.19 and 1.8.x before 1.8.18 allows remote authenticated users to provide crafted input in a job template.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-116
Published	2022-02-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: osu

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

Am I affected?

Timeline

2022-02-26 20:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

osu ohio supercomputer center open ondemand UPGRADE

Affected: < 1.7.19 · >= 1.8.0 and < 1.8.18

Fixed in: 1.7.19, 1.8.18

Safe to downgrade to: a release before 1.8.0

1. Check installed version

apt-cache policy ohio-supercomputer-center-open-ondemand || rpm -q ohio-supercomputer-center-open-ondemand || ohio-supercomputer-center-open-ondemand --version

2. UPGRADE to 1.7.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ohio-supercomputer-center-open-ondemand

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ohio-supercomputer-center-open-ondemand

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 1.8.0 (Debian / Ubuntu)

apt-cache madison ohio-supercomputer-center-open-ondemand sudo apt install ohio-supercomputer-center-open-ondemand=<VERSION_BEFORE_1.8.0> sudo apt-mark hold ohio-supercomputer-center-open-ondemand

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

dnf --showduplicates list ohio-supercomputer-center-open-ondemand sudo dnf downgrade ohio-supercomputer-center-open-ondemand-<VERSION_BEFORE_1.8.0> sudo dnf versionlock add ohio-supercomputer-center-open-ondemand

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-2020-27958?

ohio supercomputer center open ondemand: upgrade to 1.7.19, 1.8.18. Exact commands for each OS are on this page.

Is CVE-2020-27958 being exploited?

CVE-2020-27958 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-2020-27958 affect?

CVE-2020-27958 affects ohio supercomputer center open ondemand. Severity is medium (CVSS 4.3). The Job Composer app in Ohio Supercomputer Center Open OnDemand before 1.7.19 and 1.8.x before 1.8.18 allows remote authenticated users to provide crafted input in a job template.

How urgent is CVE-2020-27958?

Priority 31/100. No elevated risk signals yet.

References

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