CVE-2020-27993: Hrsale 2.0.0 allows download?type=files&filename=../ directory traversal to read arbitrary files.

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2020-27993 is a medium-severity flaw (CVSS 5.3) affecting hrsale. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Hrsale 2.0.0 allows download?type=files&filename=../ directory traversal to read arbitrary files.

Why this priority

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	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-22
Published	2020-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hrsale

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

Am I affected?

Timeline

2020-10-29 16:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

hrsale hrsale DOWNGRADE

Affected: 2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison hrsale sudo apt install hrsale=<VERSION_BEFORE_2.0.0> sudo apt-mark hold hrsale

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

dnf --showduplicates list hrsale sudo dnf downgrade hrsale-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add hrsale

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-2020-27993?

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

Is CVE-2020-27993 being exploited?

CVE-2020-27993 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-2020-27993 affect?

CVE-2020-27993 affects hrsale. Severity is medium (CVSS 5.3). Hrsale 2.0.0 allows download?type=files&filename=../ directory traversal to read arbitrary files.

How urgent is CVE-2020-27993?

Priority 50/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-29053 MEDIUM 6.1 DOWNGRADE HRSALE 2.0.0 allows XSS via the admin/project/projects_calendar set_date parameter.
CVE-2018-10260 HIGH 8.8 DOWNGRADE A Local File Inclusion vulnerability was found in HRSALE The Ultimate HRM v1.0.2, exploitable by a low privile
CVE-2018-10259 MEDIUM 5.4 DOWNGRADE An Authenticated Stored XSS vulnerability was found in HRSALE The Ultimate HRM v1.0.2, exploitable by a low pr
CVE-2018-10257 HIGH 8.8 DOWNGRADE A CSV Injection vulnerability was discovered in HRSALE The Ultimate HRM v1.0.2 that allows a user with low lev
CVE-2018-10256 HIGH 8.8 DOWNGRADE A SQL Injection vulnerability was discovered in HRSALE The Ultimate HRM v1.0.2 that allows a user with low lev

References

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