CVE-2020-7853: An outbound read/write vulnerability exists in XPLATFORM that does not check offset input ranges, allowing out

Q: How do I fix CVE-2020-7853?

xplatform: upgrade to newer than 9.2.2.250. Exact commands for each OS are on this page.

Q: Is CVE-2020-7853 being exploited?

CVE-2020-7853 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-2020-7853 affect?

CVE-2020-7853 affects xplatform. Severity is medium (CVSS 5.5). An outbound read/write vulnerability exists in XPLATFORM that does not check offset input ranges, allowing out-of-range data to be read. An attacker can exploit arbitrary code execution.

Q: How urgent is CVE-2020-7853?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2020-7853 is a medium-severity flaw (CVSS 5.5) affecting xplatform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An outbound read/write vulnerability exists in XPLATFORM that does not check offset input ranges, allowing out-of-range data to be read. An attacker can exploit arbitrary code execution.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-125, CWE-787
Published	2021-03-24
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: tobesoft

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

Am I affected?

Timeline

2021-03-24 21:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

tobesoft xplatform UPGRADE

Affected: <= 9.2.2.250

Fixed in: newer than 9.2.2.250

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.2.2.250 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xplatform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xplatform

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-7853?

xplatform: upgrade to newer than 9.2.2.250. Exact commands for each OS are on this page.

Is CVE-2020-7853 being exploited?

CVE-2020-7853 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-2020-7853 affect?

CVE-2020-7853 affects xplatform. Severity is medium (CVSS 5.5). An outbound read/write vulnerability exists in XPLATFORM that does not check offset input ranges, allowing out-of-range data to be read. An attacker can exploit arbitrary code execution.

How urgent is CVE-2020-7853?

Priority 34/100. No elevated risk signals yet.

Related CVEs

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CVE-2020-7866 HIGH 8.8 UPGRADE When using XPLATFORM 9.2.2.270 or earlier versions ActiveX component, arbitrary commands can be executed due t
CVE-2020-7857 HIGH 7.5 UPGRADE A vulnerability of XPlatform could allow an unauthenticated attacker to execute arbitrary command
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References

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