Vulnerability Details : CVE-2020-8256
Potential exploit
A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to gain arbitrary file reading access through Pulse Collaboration via XML External Entity (XXE) vulnerability.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2020-8256
- cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
- cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8256
2.71%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8256
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
NIST |
CWE ids for CVE-2020-8256
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2020-8256
-
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588
Pulse Security Advisory: SA44588 - 2020-09: Out-of-Cycle Advisory: Multiple vulnerabilities resolved in Pulse Connect Secure / Pulse Policy Secure 9.1R8.2Vendor Advisory
-
https://www.gosecure.net/blog/2020/11/13/forget-your-perimeter-part-2-four-vulnerabilities-in-pulse-connect-secure/
Forget Your Perimeter Part 2: Four Vulnerabilities in Pulse Connect Secure - GoSecureExploit;Third Party Advisory
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