Exploitation evidence
Known exploited · CISA KEV listed
Added 2021-11-03. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-05-03. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / n/a
Default status: Not specified
- affected: n/a
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.43334,
"percentile": 0.98747
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.43334,
"percentile": 0.98738
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.43334,
"percentile": 0.98737
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.43334,
"percentile": 0.98736
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.43334,
"percentile": 0.98735
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.42434,
"percentile": 0.9871
}06 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
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"url": "https://news.sophos.com/en-us/2020/04/26/asnarok/"
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],
"title": "CVE Program Container"
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2020-12271",
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{
"Exploitation": "active"
},
{
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},
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"timestamp": "2025-02-04T19:54:52.090553Z",
"version": "2.0.3"
},
"type": "ssvc"
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},
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},
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}
}
],
"problemTypes": [
{
"descriptions": [
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"cweId": "CWE-89",
"description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')",
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"providerMetadata": {
"dateUpdated": "2025-10-21T23:35:45.408Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"references": [
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],
"timeline": [
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"time": "2021-11-03T00:00:00.000Z",
"value": "CVE-2020-12271 added to CISA KEV"
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"vendor": "n/a",
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],
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}
],
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
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"shortName": "mitre"
},
"references": [
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{
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},
{
"tags": [
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],
"url": "https://news.sophos.com/en-us/2020/04/26/asnarok/"
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],
"x_legacyV4Record": {
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"scope": "CHANGED",
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},
{
"name": "https://community.sophos.com/kb/en-us/135412",
"refsource": "MISC",
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},
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},
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"dateReserved": "2020-04-27T00:00:00.000Z",
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}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.42434,
"percentile": 0.98709
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.42434,
"percentile": 0.98708
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.42434,
"percentile": 0.98706
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.42434,
"percentile": 0.98705
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2020-12271",
"cwes": [
"CWE-89"
],
"dateAdded": "2021-11-03",
"dueDate": "2022-05-03",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2020-12271",
"product": "SFOS",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Sophos Firewall operating system (SFOS) firmware contains a SQL injection vulnerability when configured with either the administration (HTTPS) service or the User Portal is exposed on the WAN zone. Successful exploitation may cause remote code execution to exfiltrate usernames and hashed passwords for the local device admin(s), portal admins, and user accounts used for remote access (but not external Active Directory or LDAP passwords).",
"vendorProject": "Sophos",
"vulnerabilityName": "Sophos SFOS SQL Injection Vulnerability"
}