Known exploited vulnerability
CVE-2020-10221
The short answer
CVE-2020-10221 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first.
What it is
lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the fileName POST parameter.
Weakness: CWE-78.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
77%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- cwe.mitre.org/data/definitions/78.html Third Party Advisory
- engindemirbilek.github.io/rconfig-3.93-rce ExploitThird Party Advisory
- github.com/EnginDemirbilek/EnginDemirbilek.github.io/blob/master/rconfig-3.93-rce.html ExploitThird Party Advisory
- cwe.mitre.org/data/definitions/78.html Third Party Advisory
- engindemirbilek.github.io/rconfig-3.93-rce ExploitThird Party Advisory
- github.com/EnginDemirbilek/EnginDemirbilek.github.io/blob/master/rconfig-3.93-rce.html ExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10221 US Government Resource
Questions
Is CVE-2020-10221 being exploited?
Yes. CISA added CVE-2020-10221 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2020-10221?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
Related
Latest CVEs this week
Critical and High CVEs from the last 7 days, with KEV and EPSS.
Exploited vulnerabilities by vendor
Every vendor in CISA's KEV catalog, with its count.
rConfig exploited vulnerabilities
Everything CISA lists as exploited for rConfig.
Vulnerability watch
A briefing and a fix pull request when an advisory hits your dependencies.
Know the day a CVE lands in your code
Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.