CVE-2020-25881: A vulnerability was discovered in the filename parameter in pathindex.php?r=cms-backend/attachment/delete&sub=

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MEDIUM 5.5MITIGATE

CVE-2020-25881 is a medium-severity flaw (CVSS 5.5) affecting rkcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was discovered in the filename parameter in pathindex.php?r=cms-backend/attachment/delete&sub=&filename=../../../../111.txt&filetype=image/jpeg of the master version of RKCMS. This vulnerability allows for an attacker to perform a directory traversal via a crafted .txt file.

Why this priority

Public exploit reference

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	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ranko

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

Am I affected?

Timeline

2021-10-29 20:15 UTCPublished CVE record published
2026-06-17 03:07 UTCUpdated Record last modified

ranko rkcms MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2020-25881?

rkcms: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-25881 being exploited?

CVE-2020-25881 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-2020-25881 affect?

CVE-2020-25881 affects rkcms. Severity is medium (CVSS 5.5). A vulnerability was discovered in the filename parameter in pathindex.php?r=cms-backend/attachment/delete&sub=&filename=../../../../111.txt&filetype=image/jpeg of the master version of RKCMS. This vulnerability allows for an attacker to per

How urgent is CVE-2020-25881?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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