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ExploitedIn CISA KEVFix available

CVE-2020-8195

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-07-10
  • Fixed in13.0-58.30 · 12.1-57.18 · 12.0-63.21 · 11.1-64.14 · 10.5-70.18
  • WeaknessCWE-20 · CWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.

Timeline

dates in UTC
  1. 2020-07-1016:15CVE publishedNVD
  2. 2021-11-03Added to the CISA KEV catalogCISA KEV
  3. 2021-11-03Listed as exploited by GCVEGCVE
  4. 2021-11-03Exploitation first reportedCISA KEV
  5. 2025-02-0712:33SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-8195?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-8195?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Citrix application delivery controller firmware
BranchAffectedFixed in
13.0≥ 13.0, < 13.0-58.3013.0-58.30
12.1≥ 12.1, < 12.1-57.1812.1-57.18
12.0≥ 12.0, < 12.0-63.2112.0-63.21
11.1≥ 11.1, < 11.1-64.1411.1-64.14
10.5≥ 10.5, < 10.5-70.1810.5-70.18
Citrix netscaler gateway firmware
BranchAffectedFixed in
12.1≥ 12.1, < 12.1-57.1812.1-57.18
12.0≥ 12.0, < 12.0-63.2112.0-63.21
11.1≥ 11.1, < 11.1-64.1411.1-64.14
10.5≥ 10.5, < 10.5-70.1810.5-70.18
Citrix sd-wan wanopversion to verify
BranchAffectedFixed in
11.1≥ 11.1, < 11.1.1a11.1.1a
11.0≥ 11.0, < 11.0.3d11.0.3d
10.2≥ 10.2, < 10.2.710.2.7

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As hackerone, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP
    Affected
    • = Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d and 10.2.7no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2020-11-13

Fix

  1. Update Citrix application delivery controller firmware to 13.0-58.30 · 12.1-57.18 · 12.0-63.21 · 11.1-64.14 · 10.5-70.18
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2020-07-10
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-jwjc-9cxc-87j8

Frequently asked questions

What is CVE-2020-8195?

Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.

Is CVE-2020-8195 actively exploited?

Yes. CVE-2020-8195 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2020-8195?

CVE-2020-8195 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record