CVE-2020-8261

A vulnerability in the Pulse Connect Secure / Pulse Policy Secure < 9.1R9 is vulnerable to arbitrary cookie injection.

Published: 2020-10-28 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-8261 is rated Moderate Risk (41.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.61%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-8261

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-04 0.53% 0.61% +0.09%
2 2026-03-01 0.61% 0.53% -0.09%
3 2026-02-04 0.61%

Full EPSS history (39 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-8261

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2020-8261

Affected software / configurations for CVE-2020-8261

Vendor Product Version Raw CPE
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
ivanti connect_secure 9.1 cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r2:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r3:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r4:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r5:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r6:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r7:*:*:*:*:*:*
ivanti policy_secure 9.1 cpe:2.3:a:ivanti:policy_secure:9.1:r8:*:*:*:*:*:*
pulsesecure pulse_connect_secure < 9.1 cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
pulsesecure pulse_policy_secure < 9.1 cpe:2.3:a:pulsesecure:pulse_policy_secure:*:*:*:*:*:*:*:*

References for CVE-2020-8261

cvelogic Threat Intelligence