CVE-2020-28453: This affects all versions of package npos-tesseract

Q: How do I fix CVE-2020-28453?

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

Q: Is CVE-2020-28453 being exploited?

CVE-2020-28453 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-2020-28453 affect?

CVE-2020-28453 affects npos-tesseract. Severity is critical (CVSS 9.4). This affects all versions of package npos-tesseract. The injection point is located in line 55 in lib/ocr.js.

Q: How urgent is CVE-2020-28453?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.4REMOTEDOWNGRADE

CVE-2020-28453 is a critical-severity flaw (CVSS 9.4) affecting npos-tesseract. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This affects all versions of package npos-tesseract. The injection point is located in line 55 in lib/ocr.js.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-77
Published	2022-08-02
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: npos-tesseract project

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

Am I affected?

Timeline

2022-08-02 14:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

npos-tesseract project npos-tesseract DOWNGRADE

Affected: 0.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.3

1. Check installed version

npm ls npos-tesseract

2. No fixed release: DOWNGRADE to a release before 0.0.3

npm view npos-tesseract versions npm install npos-tesseract@"<0.0.3"

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-2020-28453?

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

Is CVE-2020-28453 being exploited?

CVE-2020-28453 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-2020-28453 affect?

CVE-2020-28453 affects npos-tesseract. Severity is critical (CVSS 9.4). This affects all versions of package npos-tesseract. The injection point is located in line 55 in lib/ocr.js.

How urgent is CVE-2020-28453?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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