← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2019-1653 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · Cisco Small Business RV320 and RV325 Routers · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-1653, Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 1014 days after it was published. It affects Cisco Small Business RV320 and RV325 Routers, an internet-facing product of the kind attackers use for initial access. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.5CVSS 3.0 · high
US federal due3 May 2022BOD 22-01 deadline

What it is

Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers contain improper access controls for URLs. Exploitation could allow an attacker to download the router configuration or detailed diagnostic information.

VendorCisco (103 exploited CVEs in KEV)
ProductSmall Business RV320 and RV325 Routers
VulnerabilityCisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability
WeaknessCWE-284
Published24 Jan 2019
Added to KEV3 Nov 2021
Reported by (CNA)cisco

What to do

  1. Check whether you run it. Look for Small Business RV320 and RV325 Routers in your asset inventory, including appliances and cloud images. Stack check lists every exploited Cisco CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 24 Jan 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Cisco.

References

Questions

Is CVE-2019-1653 being exploited?

Yes. CISA added CVE-2019-1653 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-1653 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2019-1653?

Apply updates per vendor instructions. Check Cisco's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Small Business RV320 and RV325 Routers and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · Cisco scorecard · act-now radar.

Running Cisco in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →