CVE-2011-4923
CVE-2011-4923 is a medium-severity vulnerability in Backuppc with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.3)
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Backuppc
- Published:
- Last modified:
Description
Cross-site scripting (XSS) vulnerability in View.pm in BackupPC 3.0.0, 3.1.0, 3.2.0, 3.2.1, and possibly earlier allows remote attackers to inject arbitrary web script or HTML via the num parameter in a view action to index.cgi, related to the log file viewer, a different vulnerability than CVE-2011-3361.
Frequently asked questions
- What is CVE-2011-4923?
- Cross-site scripting (XSS) vulnerability in View.pm in BackupPC 3.0.0, 3.1.0, 3.2.0, 3.2.1, and possibly earlier allows remote attackers to inject arbitrary web script or HTML via the num parameter in a view action to index.cgi, related to the log file viewer, a different vulnerability than CVE-2011-3361.
- How severe is CVE-2011-4923?
- CVE-2011-4923 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2011-4923 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-4923?
- CVE-2011-4923 primarily affects Backuppc. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-4923?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-4923 published?
- CVE-2011-4923 was published on 2012-02-18 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/46615
- http://ubuntu.com/usn/usn-1249-1
- http://www.openwall.com/lists/oss-security/2011/10/27/8
- http://www.openwall.com/lists/oss-security/2012/01/04/15
- http://www.securityfocus.com/bid/50406
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71030
Affected products (4)
- cpe:2.3:a:backuppc:backuppc:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:backuppc:backuppc:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:backuppc:backuppc:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:backuppc:backuppc:3.2.1:*:*:*:*:*:*:*
More vulnerabilities in Backuppc
- CVE-2009-3369 — High (CVSS 8.5): CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict…
- CVE-2011-5081 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in RestoreFile.pm in BackupPC 3.1.0, 3.2.1, and possibly other earlier…
- CVE-2011-3361 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in CGI/Browse.pm in BackupPC 3.2.0 and possibly other versions before 3.2.1…
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