Known exploited vulnerability
CVE-2019-1653
The short answer
CVE-2019-1653 affects Cisco Cisco Small Business RV Series Router Firmware and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first.
What it is
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information. The vulnerability is due to improper access controls for URLs. An attacker could exploit this vulnerability by connecting to an affected device via HTTP or HTTPS and requesting specific URLs. A successful exploit could allow the attacker to download the router configuration or detailed diagnostic information. Cisco has released firmware updates that address this vulnerability.
Weakness: CWE-284.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
100%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
Cisco Small Business RV Series Router Firmware. NVD's record lists the exact affected versions.
References
- badpackets.net/over-9000-cisco-rv320-rv325-routers-vulnerable-to-cve-2019-1653/ Third Party Advisory
- seclists.org/bugtraq/2019/Mar/53 Mailing ListThird Party Advisory
- seclists.org/bugtraq/2019/Mar/54 Mailing ListThird Party Advisory
- threatpost.com/scans-cisco-routers-code-execution/141218/ Third Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-rv-info Vendor Advisory
- www.exploit-db.com/exploits/46262/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/46655/ Third Party AdvisoryVDB Entry
- www.youtube.com/watch?v=bx0RQJDlGbY Third Party Advisory
- www.zdnet.com/article/hackers-are-going-after-cisco-rv320rv325-routers-using-a-new-exploit/ Third Party Advisory
- badpackets.net/over-9000-cisco-rv320-rv325-routers-vulnerable-to-cve-2019-1653/ Third Party Advisory
- seclists.org/bugtraq/2019/Mar/53 Mailing ListThird Party Advisory
- seclists.org/bugtraq/2019/Mar/54 Mailing ListThird Party Advisory
Questions
Is CVE-2019-1653 being exploited?
Yes. CISA added CVE-2019-1653 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-2019-1653?
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.
Cisco exploited vulnerabilities
Everything CISA lists as exploited for Cisco.
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.