CVE-2020-24955

Name: CVE-2020-24955
Creator: NVD / NIST
Published: 2020-09-01T22:15:10.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2020-24955 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. SUPERAntiSyware Professional X Trial 10.0.1206 is vulnerable to local privilege escalation because it allows unprivileged users to restore a malicious DLL from quarantine into the system32 folder via an NTFS directory junction, as demonstrated by a crafted ualapi.dll file that is detected as malware.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

SUPERAntiSyware Professional X Trial 10.0.1206 is vulnerable to local privilege escalation because it allows unprivileged users to restore a malicious DLL from quarantine into the system32 folder via an NTFS directory junction, as demonstrated by a crafted ualapi.dll file that is detected as malware.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Superantispyware	Professional X	< 10.0.1206

References

https://github.com/b1nary0x1Third Party Advisory
https://www.youtube.com/watch?v=jdcqbev-H5IExploit, Third Party Advisory
https://github.com/b1nary0x1Third Party Advisory
https://www.youtube.com/watch?v=jdcqbev-H5IExploit, Third Party Advisory

Timeline

Published: Sep 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24955?

How severe is CVE-2020-24955?

CVE-2020-24955 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24955?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24955?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST