CVE-2020-14990: IOBit Advanced SystemCare Free 13.5.0.263 allows local users to gain privileges for file deletion by manipulat

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HIGH 7.1DOWNGRADE

CVE-2020-14990 is a high-severity flaw (CVSS 7.1) affecting advanced systemcare. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IOBit Advanced SystemCare Free 13.5.0.263 allows local users to gain privileges for file deletion by manipulating the Clean & Optimize feature with an NTFS junction and an Object Manager symbolic link.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-59
Published	2020-06-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: iobit

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

Am I affected?

Timeline

2020-06-22 21:15 UTCPublished CVE record published
2026-06-17 02:55 UTCUpdated Record last modified

iobit advanced systemcare DOWNGRADE

Affected: 13.5.0.263

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.5.0.263

1. Check installed version

apt-cache policy advanced-systemcare || rpm -q advanced-systemcare || advanced-systemcare --version

2. No fixed release: DOWNGRADE to a release before 13.5.0.263 (Debian / Ubuntu)

apt-cache madison advanced-systemcare sudo apt install advanced-systemcare=<VERSION_BEFORE_13.5.0.263> sudo apt-mark hold advanced-systemcare

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

dnf --showduplicates list advanced-systemcare sudo dnf downgrade advanced-systemcare-<VERSION_BEFORE_13.5.0.263> sudo dnf versionlock add advanced-systemcare

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-2020-14990?

advanced systemcare: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-14990 being exploited?

CVE-2020-14990 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-2020-14990 affect?

CVE-2020-14990 affects advanced systemcare. Severity is high (CVSS 7.1). IOBit Advanced SystemCare Free 13.5.0.263 allows local users to gain privileges for file deletion by manipulating the Clean & Optimize feature with an NTFS junction and an Object Manager symbolic link.

How urgent is CVE-2020-14990?

Priority 41/100. High severity; Public exploit reference

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References

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