CWE-120— Buffer Copy without Checking Size (Classic Buffer Overflow)
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.— MITRE CWE catalog
4,710 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-120page 16 of 95
- CVE-2021-26777CRITICALCVSS 9.8EG 9.82021-12-02
Buffer overflow vulnerability in function SetFirewall in index.cgi in CIRCUTOR COMPACT DC-S BASIC smart metering concentrator Firwmare version CIR_CDC_v1.2.17, allows attackers to execute arbitrary code.
- CVE-2021-34423CRITICALCVSS 9.8EG 9.82021-11-24
A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client …
- CVE-2021-42785CRITICALCVSS 9.8EG 9.82021-11-23
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
- CVE-2021-30321CRITICALCVSS 9.8EG 9.82021-11-12
Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity
- CVE-2021-42774CRITICALCVSS 9.8EG 9.82021-11-12
Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow r…
- CVE-2021-43573CRITICALCVSS 9.8EG 9.82021-11-11
A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.
- CVE-2021-42772CRITICALCVSS 9.8EG 9.82021-11-03
Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote GetDumpFile command that could allow a user …
- CVE-2020-23679CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field.
- CVE-2021-43082CRITICALCVSS 9.8EG 9.82021-11-03
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.
- CVE-2021-39238CRITICALCVSS 9.8EG 9.82021-11-03
Certain HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed products may be vulnerable to potential buffer overflow.
- CVE-2021-20704CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in the compatible API with previous versions CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X …
- CVE-2021-20703CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in the Transaction Server CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSaf…
- CVE-2021-20702CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in the Transaction Server CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSaf…
- CVE-2021-20701CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in the Disk Agent CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Wi…
- CVE-2021-20700CRITICALCVSS 9.8EG 9.82021-11-03
Buffer overflow vulnerability in the Disk Agent CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Wi…
- CVE-2020-18440CRITICALCVSS 9.8EG 9.82021-11-02
Buffer overflow vulnerability in framework/init.php in qinggan phpok 5.1, allows attackers to execute arbitrary code.
- CVE-2021-38297CRITICALCVSS 9.8EG 9.82021-10-18
Go before 1.16.9 and 1.17.x before 1.17.2 has a Buffer Overflow via large arguments in a function invocation from a WASM module, when GOARCH=wasm GOOS=js is used.
- CVE-2021-37726CRITICALCVSS 9.8EG 9.82021-10-12
A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.
- CVE-2021-40239CRITICALCVSS 9.8EG 9.82021-10-11
A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c
- CVE-2020-27372CRITICALCVSS 9.8EG 9.82021-10-11
A buffer overflow vulnerability exists in Brandy Basic V Interpreter 1.21 in the run_interpreter function.
- CVE-2021-35977CRITICALCVSS 9.8EG 9.82021-10-08
An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution.
- CVE-2021-34727CRITICALCVSS 9.8EG 9.82021-09-23
A vulnerability in the vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. This vulnerability is due to insufficient bounds checking when an affe…
- CVE-2021-39275CRITICALCVSS 9.8EG 9.82021-09-16
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlie…
- CVE-2020-14124CRITICALCVSS 9.8EG 9.82021-09-16
There is a buffer overflow in librsa.so called by getwifipwdurl interface, resulting in code execution on Xiaomi router AX3600 with ROM version =rom< 1.1.12.
- CVE-2021-33719CRITICALCVSS 9.8EG 9.82021-09-14
A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Sp…
- CVE-2021-27391CRITICALCVSS 9.8EG 9.82021-09-14
A vulnerability has been identified in APOGEE MBC (PPC) (P2 Ethernet) (All versions >= V2.6.3), APOGEE MEC (PPC) (P2 Ethernet) (All versions >= V2.6.3), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) …
- CVE-2021-34346CRITICALCVSS 9.8EG 9.82021-09-10
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the follo…
- CVE-2021-34345CRITICALCVSS 9.8EG 9.82021-09-10
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the follo…
- CVE-2021-34344CRITICALCVSS 9.8EG 9.82021-09-10
A stack buffer overflow vulnerability has been reported to affect QNAP device running QUSBCam2. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions…
- CVE-2021-40818CRITICALCVSS 9.8EG 9.82021-09-08
scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.
- CVE-2021-1972CRITICALCVSS 9.8EG 9.82021-09-08
Possible buffer overflow due to improper validation of device types during P2P search in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice …
- CVE-2021-37716CRITICALCVSS 9.8EG 9.82021-09-07
A remote buffer overflow vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.15. Aruba has released patches fo…
- CVE-2021-3711CRITICALCVSS 9.8EG 9.82021-08-24
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, …
- CVE-2021-21828CRITICALCVSS 9.8EG 9.82021-08-20
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. In the default case of DecodeTreeBlock a label is created via CurPath::AddLabel in order to track the label fo…
- CVE-2021-21827CRITICALCVSS 9.8EG 9.82021-08-20
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within `DecodeTreeBlock` which is called during the decompression of an XMI file, a UINT32 is loaded from the …
- CVE-2021-21826CRITICALCVSS 9.8EG 9.82021-08-20
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within `DecodeTreeBlock` which is called during the decompression of an XMI file, a UINT32 is loaded from the …
- CVE-2020-25928CRITICALCVSS 9.8EG 9.82021-08-18
The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Buffer Overflow. The impact is: execute arbitrary code (remote). The component is: DNS response processing functions: dns_upcall(), getoffset(), dnc_set_answer(). The at…
- CVE-2021-26606CRITICALCVSS 9.8EG 9.82021-08-06
A vulnerability in PKI Security Solution of Dream Security could allow arbitrary command execution. This vulnerability is due to insufficient validation of the authorization certificate. An attacker could exploit this vulnerability by send…
- CVE-2021-37388CRITICALCVSS 9.8EG 9.82021-08-06
A buffer overflow in D-Link DIR-615 C2 3.03WW. The ping_ipaddr parameter in ping_response.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution.
- CVE-2021-37162CRITICALCVSS 9.8EG 9.82021-08-02
A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. If an attacker sends a malformed UDP message, a buffer underflow occur…
- CVE-2021-37161CRITICALCVSS 9.8EG 9.82021-08-02
A buffer overflow issue was discovered in the HMI3 Control Panel contained within the Swisslog Healthcare Nexus Panel, operated by released versions of software before Nexus Software 7.2.5.7. A buffer overflow allows an attacker to overwri…
- CVE-2021-37165CRITICALCVSS 9.8EG 9.82021-08-02
A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. When a message is sent to the HMI TCP socket, it is forwarded to the h…
- CVE-2021-34552CRITICALCVSS 9.8EG 9.82021-07-13
Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.
- CVE-2020-22884CRITICALCVSS 9.8EG 9.82021-07-13
Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09, allows remote attackers to execute arbitrary code.
- CVE-2020-22873CRITICALCVSS 9.8EG 9.82021-07-13
Buffer overflow vulnerability in function NumberToPrecisionCmd in jsish before 3.0.7, allows remote attackers to execute arbitrary code.
- CVE-2021-1965CRITICALCVSS 9.8EG 9.82021-07-13
Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- CVE-2020-11182CRITICALCVSS 9.8EG 9.82021-06-09
Possible heap overflow while parsing NAL header due to lack of check of length of data received from user in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- CVE-2021-20699CRITICALCVSS 9.8EG 9.82021-06-07
Sharp NEC Displays ((UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior to it, UN492VS R1.300 and prior to it, UN552A R1.300 and prior to it, UN552S R1.300 and prior to it, UN552VS R1.300 and prior to it…
- CVE-2017-20005CRITICALCVSS 9.8EG 9.82021-06-06
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by t…
- CVE-2021-30475CRITICALCVSS 9.8EG 9.82021-06-04
aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow.
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