Fas 8300 Firmware vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited0 versions
The short answer

Fas 8300 Firmware is made by Netapp. We track 11 published vulnerabilities in it, across 0 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 6 October 2025. If you run Fas 8300 Firmware, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Fas 8300 Firmware flaw added to the known-exploited list is CVE-2021-22555, on 6 October 2025. We keep watching the known-exploited list.

Versions

Which versions of Fas 8300 Firmware do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Known exploited

Which Fas 8300 Firmware vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.8
    CVE-2021-22555HighKnown exploited
    Linux Kernel Heap Out-of-Bounds Write Vulnerability

    Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.

    Chance of use79%Known exploited since6 Oct 2025
Exploit likelihood

Which Fas 8300 Firmware flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 96%

    In addition to the c_rehash shell command injection identified in CVE-2022-1292, further circumstances where the c_rehash script does not properly sanitise shell metacharacters to prevent command injection were found...

    CVSS7.3Published21 Jun 2022
  2. 83%

    The c_rehash script does not properly sanitise shell metacharacters to prevent command injection.

    CVSS7.3Published3 May 2022
  3. 79%
    CVE-2021-22555HighKnown exploited

    A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c.

    CVSS7.8Published7 Jul 2021
  4. 5.0%

    Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go out-of-memory via icmp6 packets of type 130 or 131.

    CVSS7.5Published18 Mar 2022
  5. 4.6%

    The OPENSSL_LH_flush() function, which empties a hash table, contains a bug that breaks reuse of the memory occuppied by the removed hash table entries.

    CVSS7.5Published3 May 2022
  6. 2.1%

    In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in...

    CVSS7.8Published8 Dec 2019
  7. 2.1%

    The function `OCSP_basic_verify` verifies the signer certificate on an OCSP response.

    CVSS5.3Published3 May 2022
  8. 1.2%

    The OpenSSL 3.0 implementation of the RC4-MD5 ciphersuite incorrectly uses the AAD data as the MAC key.

    CVSS5.9Published3 May 2022
  9. 0.9%

    Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

    CVSS6.7Published23 Nov 2020
  10. 0.5%

    An issue was discovered in the Linux kernel before 5.0.19.

    CVSS7.8Published7 Jun 2021
Precursor Intelligence

Running Fas 8300 Firmware? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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We track 11 published vulnerabilities listed under the name Fas 8300 Firmware, across 0 versions. The most recent Fas 8300 Firmware flaw added to the known-exploited list is CVE-2021-22555, on 6 October 2025.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2021-22555.

Create a Precursor Intelligence account and track Fas 8300 Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.