4.9

CVE-2020-8255: pulsesecure pulse_secure_desktop_client Improper Input Validation

CVSS: 4.9v3.1MediumModified
Published 28-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-8255 is a medium (CVSS 4.9) Improper Input Validation vulnerability in pulsesecure pulse_secure_desktop_client. EPSS estimates a 2.26% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (NVD)
EPSS score
2.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary file reading vulnerability is fixed using encrypted URL blacklisting that prevents these messages.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.26%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.26% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Pulsesecure1 product
  • pulse_secure_desktop_client< 9.1 | 9.1 | 9.1:r1 | 9.1:r2 | 9.1:r3 | 9.1:r3.1 | 9.1:r4 | 9.1:r4.1 | 9.1:r4.2 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r7.1 | 9.1:r8 | 9.1:r8.2

1 vendor · 1 product

References

1 links