4.3

CVE-2020-8261: ivanti connect_secure Classic Buffer Overflow

CVSS: 4.3v3.1MediumModified
Published 28-10-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-8261 is a medium (CVSS 4.3) Classic Buffer Overflow vulnerability in ivanti connect_secure. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
2.15%
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 / Pulse Policy Secure < 9.1R9 is vulnerable to arbitrary cookie injection.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.15%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.15%

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

Ivanti2 products
  • connect_secure9.1:r1 | 9.1:r2 | 9.1:r3 | 9.1:r4 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r8
  • policy_secure9.1:r1 | 9.1:r2 | 9.1:r3 | 9.1:r4 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r8
Pulsesecure2 products

2 vendors · 4 products

References

1 links