Integer overflow in Net-Snmp
CVE-2015-5621
The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove the varBind variable in a netsnmp_variable_list item when parsing of the SNMP PDU fails, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet.
EPSS: 0.400 (98.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Net-snmp
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit)
- cve@mitre.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2015-5621?
- CVE-2015-5621 is a high-severity vulnerability in Net-Snmp, classified under CWE-19. CVSS score: 7.5/10. Published 2015-08-19.
- How severe is CVE-2015-5621?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-5621 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.