| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in net-snmp. This vulnerability affects the function snmp_pdu_parse. The manipulation leads to data processing.
This vulnerability is documented as CVE-2015-5621. Additionally, an exploit exists.
It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in net-snmp (Network Management Software) (the affected version is unknown). This issue affects the function snmp_pdu_parse. The manipulation with an unknown input leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is confidentiality, integrity, and availability.
The weakness was released 07/31/2015 as Bug 1212408 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2015-5621 since 07/22/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 85172 (FreeBSD : net-snmp -- snmp_pdu_parse() function incomplete initialization (381183e8-3798-11e5-9970-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370023 (Citrix XenServer Security Update (CTX209443)).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (105232), Tenable (85172), SecurityFocus (BID 76380†) and Vulnerability Center (SBV-54592†). seclists.org is providing further details. Entries connected to this vulnerability are available at VDB-81025, VDB-81555 and VDB-81556. Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Linux
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Data processingCWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 85172
Nessus Name: FreeBSD : net-snmp -- snmp_pdu_parse() function incomplete initialization (381183e8-3798-11e5-9970-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 100803
OpenVAS Name: RedHat Update for net-snmp RHSA-2015:1636-01
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: sourceforge.net
Timeline
07/22/2015 🔍07/31/2015 🔍
07/31/2015 🔍
08/03/2015 🔍
08/03/2015 🔍
08/19/2015 🔍
08/19/2015 🔍
11/24/2015 🔍
12/04/2025 🔍
Sources
Advisory: Bug 1212408Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-5621 (🔍)
GCVE (CVE): GCVE-0-2015-5621
GCVE (VulDB): GCVE-100-76871
X-Force: 105232 - Net-SNMP snmp_pdu_parse() denial of service
SecurityFocus: 76380
SecurityTracker: 1033304
Vulnerability Center: 54592 - net-snmp Remote Code Execution in snmp_pdu_parse(), Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍
Entry
Created: 08/03/2015 13:18Updated: 12/04/2025 21:00
Changes: 08/03/2015 13:18 (65), 04/20/2018 09:12 (13), 06/07/2022 09:45 (6), 11/09/2024 02:02 (22), 12/04/2025 21:00 (1)
Complete: 🔍
Cache ID: 216:F95:103
Be aware that VulDB is the high quality source for vulnerability data.
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