CVE-2020-21573: An issue was discoverered in in abhijitnathwani image-processing v0.1.0, allows local attackers to cause a den

Routine

MEDIUM 5.5DOWNGRADE

CVE-2020-21573 is a medium-severity flaw (CVSS 5.5) affecting image-processing. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discoverered in in abhijitnathwani image-processing v0.1.0, allows local attackers to cause a denial of service via a crafted image file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-400
Published	2021-11-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: image-processing project

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

Am I affected?

Timeline

2021-11-02 18:15 UTCPublished CVE record published
2026-06-17 03:03 UTCUpdated Record last modified

image-processing project image-processing DOWNGRADE

Affected: 0.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.0

1. Check installed version

apt-cache policy image-processing || rpm -q image-processing || image-processing --version

2. No fixed release: DOWNGRADE to a release before 0.1.0 (Debian / Ubuntu)

apt-cache madison image-processing sudo apt install image-processing=<VERSION_BEFORE_0.1.0> sudo apt-mark hold image-processing

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

dnf --showduplicates list image-processing sudo dnf downgrade image-processing-<VERSION_BEFORE_0.1.0> sudo dnf versionlock add image-processing

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-2020-21573?

image-processing: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-21573 being exploited?

CVE-2020-21573 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-2020-21573 affect?

CVE-2020-21573 affects image-processing. Severity is medium (CVSS 5.5). An issue was discoverered in in abhijitnathwani image-processing v0.1.0, allows local attackers to cause a denial of service via a crafted image file.

How urgent is CVE-2020-21573?

Priority 30/100. No elevated risk signals yet.

References

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