CVE-2020-27544: An issue was discovered in FoldingAtHome Client Advanced Control GUI before commit 9b619ae64443997948a36dda01b

Q: How do I fix CVE-2020-27544?

client advanced control: upgrade to 2022-09-22. Exact commands for each OS are on this page.

Q: Is CVE-2020-27544 being exploited?

CVE-2020-27544 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-2020-27544 affect?

CVE-2020-27544 affects client advanced control. Severity is critical (CVSS 9.8). An issue was discovered in FoldingAtHome Client Advanced Control GUI before commit 9b619ae64443997948a36dda01b420578de1af77, allows remote attackers to execute arbitrary code via crafted payload to function parse_message in file Connection.

Q: How urgent is CVE-2020-27544?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-27544 is a critical-severity flaw (CVSS 9.8) affecting client advanced control. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in FoldingAtHome Client Advanced Control GUI before commit 9b619ae64443997948a36dda01b420578de1af77, allows remote attackers to execute arbitrary code via crafted payload to function parse_message in file Connection.py.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Published	2023-08-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: foldingathome

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

Am I affected?

Timeline

2023-08-11 14:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

foldingathome client advanced control UPGRADE

Affected: < 2022-09-22

Fixed in: 2022-09-22

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy client-advanced-control || rpm -q client-advanced-control || client-advanced-control --version

2. UPGRADE to 2022-09-22 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade client-advanced-control

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade client-advanced-control

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-2020-27544?

client advanced control: upgrade to 2022-09-22. Exact commands for each OS are on this page.

Is CVE-2020-27544 being exploited?

CVE-2020-27544 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-2020-27544 affect?

CVE-2020-27544 affects client advanced control. Severity is critical (CVSS 9.8). An issue was discovered in FoldingAtHome Client Advanced Control GUI before commit 9b619ae64443997948a36dda01b420578de1af77, allows remote attackers to execute arbitrary code via crafted payload to function parse_message in file Connection.

How urgent is CVE-2020-27544?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs