How severe is CVE-2020-27544?

CVE-2020-27544 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-27544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27544?

CVE-2020-27544 affects Foldingathome Client Advanced Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-27544 published?

CVE-2020-27544 was published on 2023-08-11 and last updated on 2026-06-17.

CVE-2020-27544

CVE-2020-27544 is a critical-severity vulnerability in Foldingathome Client Advanced Control with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Foldingathome Client Advanced Control
Published: 2023-08-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-27544?: 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.
How severe is CVE-2020-27544?: CVE-2020-27544 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-27544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27544?: CVE-2020-27544 affects Foldingathome Client Advanced Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-27544 published?: CVE-2020-27544 was published on 2023-08-11 and last updated on 2026-06-17.

References

https://github.com/FoldingAtHome/fah-control/commit/9b619ae64443997948a36dda01b420578de1af77

Affected products (1)

cpe:2.3:a:foldingathome:client_advanced_control:*:*:*:*:*:*:*:*