Is CVE-2012-1557 actively exploited?

Yes. Previdian tracks CVE-2012-1557 as a known exploited vulnerability. Confidence is high.

What exploitation activity has Previdian observed?

Previdian has not yet recorded sensor-observed exploitation attempts for CVE-2012-1557. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

Version-level data is not available; Previdian tracks Parallels Plesk Panel.

No. CVE-2012-1557 is not currently listed in CISA KEV.

CVE-2012-1557 Exploited in the Wild — Plesk Panel

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2012-1557 is an unauthenticated vulnerability affecting Parallels Plesk Panel. SQL injection vulnerability in admin/plib/api-rpc/Agent.php in Parallels Plesk Panel 7.x and 8.x before 8.6 MU#2, 9.x before 9.5...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Parallels / Plesk Panel.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Plesk Panel SQL Injection

SQL injection vulnerability in admin/plib/api-rpc/Agent.php in Parallels Plesk Panel 7.x and 8.x before 8.6 MU#2, 9.x before 9.5 MU#11, 10.0.x before MU#13, 10.1.x before MU#22, 10.2.x before MU#16, and 10.3.x before MU#5 allows remote attackers to execute arbitrary SQL commands via unspecified vectors, as exploited in the wild in March 2012.

View vendor advisory

Published: 12 Mar 2012
Exploitation Reported: 12 Mar 2012
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: —

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2012-1557
48262 secunia.com · Third-Party Advisory http://secunia.com/advisories/48262
79769 osvdb.org · VDB Entry http://www.osvdb.org/79769
plesk-unspec-unauth-access(73628) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/73628
52267 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/52267
1026760 securitytracker.com · VDB Entry http://www.securitytracker.com/id?1026760
[oss-security] 20120308 CVE-request: Parallels Plesk Panel admin/plib/api-rpc/Agent.php Unspecified SQL Injection openwall.com · Mailing List http://www.openwall.com/lists/oss-security/2012/03/08/3
h-online.com/security/news/item/Bug-in-Plesk-administrati... h-online.com · CVE Record http://www.h-online.com/security/news/item/Bug-in-Plesk-administratio...
kb.parallels.com/en/113321 kb.parallels.com · CVE Record http://kb.parallels.com/en/113321
download1.parallels.com/Plesk/PP10/parallels-plesk-panel-10-windows-... download1.parallels.com · CVE Record http://download1.parallels.com/Plesk/PP10/parallels-plesk-panel-10-wi...
download1.parallels.com/Plesk/PP10/parallels-plesk-panel-10-linux-up... download1.parallels.com · CVE Record http://download1.parallels.com/Plesk/PP10/parallels-plesk-panel-10-li...
cert.fi/haavoittuvuudet/2012/haavoittuvuus-2012-035.... cert.fi · CVE Record http://www.cert.fi/haavoittuvuudet/2012/haavoittuvuus-2012-035.html

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 12 Mar 2012

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access

Source	Added
CVE First	2012-03-12 19:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts: 0; 0; 0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v2.0

7.5 High

Potential damage if exploited. Separate from whether attackers are using it.

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

6.0%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE-89

Timeline

From disclosure to observed exploitation

12 Mar 2012
19:00 UTC

Added to Previdian KEV Feed

High-confidence, third-party attested exploitation
12 Mar 2012
19:00 UTC

CVE published

Vulnerability disclosed publicly
12 Mar 2012
00:00 UTC

CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2012-1557

Sample API response

{
  "cve_id": "CVE-2012-1557",
  "confidence": "High",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.06041,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2012-1557

Plesk Panel SQL Injection

Tags